diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/__init__.py b/web/pgadmin/browser/server_groups/servers/databases/schemas/__init__.py
new file mode 100644
index 000000000..6d3259ec6
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/__init__.py
@@ -0,0 +1,987 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2016, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+##########################################################################
+
+import json
+import re
+from flask import render_template, request, jsonify, current_app
+from flask.ext.babel import gettext
+from pgadmin.utils.ajax import make_json_response, \
+    make_response as ajax_response, internal_server_error, gone, \
+    bad_request
+from pgadmin.browser.utils import PGChildNodeView
+from pgadmin.browser.collection import CollectionNodeModule, PGChildModule
+import pgadmin.browser.server_groups.servers as servers
+from pgadmin.utils.ajax import precondition_required
+from pgadmin.utils.driver import get_driver
+from config import PG_DEFAULT_DRIVER
+from pgadmin.browser.server_groups.servers.utils import parse_priv_from_db, \
+    parse_priv_to_db
+from functools import wraps
+
+"""
+    This module is responsible for generating two nodes
+    1) Schema
+    2) Catalog
+
+    We have created single file because catalog & schema has same
+    functionality, the only difference is we can not perform DDL/DML operations
+    on catalog, also - it allows us to share the same submodules for both
+    catalog, and schema modules.
+
+    This modules uses separate template paths for each respective node
+    - templates/catalog for Catalog node
+    - templates/schema for Schema node
+
+    [Each path contains node specific js files as well as sql template files.]
+"""
+
+
+class SchemaModule(CollectionNodeModule):
+    """
+     class SchemaModule(CollectionNodeModule)
+
+        A module class for Schema node derived from CollectionNodeModule.
+
+    Methods:
+    -------
+    * __init__(*args, **kwargs)
+      - Method is used to initialize the Schema and it's base module.
+
+    * get_nodes(gid, sid, did)
+      - Method is used to generate the browser collection node.
+
+    * node_inode()
+      - Method is overridden from its base class to make the node as leaf node.
+
+    * script_load()
+      - Load the module script for schema, when any of the server node is
+        initialized.
+    """
+    NODE_TYPE = 'schema'
+    COLLECTION_LABEL = gettext("Schemas")
+
+    def __init__(self, *args, **kwargs):
+        """
+        Method is used to initialize the SchemaModule and it's base module.
+
+        Args:
+            *args:
+            **kwargs:
+        """
+        self.min_ver = None
+        self.max_ver = None
+
+        super(SchemaModule, self).__init__(*args, **kwargs)
+
+    def get_nodes(self, gid, sid, did):
+        """
+        Generate the collection node
+        """
+        yield self.generate_browser_collection_node(did)
+
+    @property
+    def script_load(self):
+        """
+        Load the module script for server, when any of the server-group node is
+        initialized.
+        """
+        return servers.ServerModule.NODE_TYPE
+
+
+class CatalogModule(SchemaModule):
+    """
+     class CatalogModule(SchemaModule)
+
+        A module class for the catalog schema node derived from SchemaModule.
+    """
+
+    NODE_TYPE = 'catalog'
+    COLLECTION_LABEL = gettext("Catalogs")
+
+
+schema_blueprint = SchemaModule(__name__)
+catalog_blueprint = CatalogModule(__name__)
+
+
+def check_precondition(f):
+    """
+    This function will behave as a decorator which will checks
+    database connection before running view, it will also attaches
+    manager,conn & template_path properties to instance of the method.
+
+    Assumptions:
+        This function will always be used as decorator of a class method.
+    """
+    @wraps(f)
+    def wrap(*args, **kwargs):
+        # Here args[0] will hold self & kwargs will hold gid,sid,did
+        self = args[0]
+        self.manager = get_driver(PG_DEFAULT_DRIVER).connection_manager(
+            kwargs['sid']
+        )
+        self.conn = self.manager.connection(did=kwargs['did'])
+        # If DB not connected then return error to browser
+        if not self.conn.connected():
+            return precondition_required(
+                gettext("Connection to the server has been lost!")
+            )
+
+        # Set template path for sql scripts
+        self.template_path = self.template_initial + '/' + (
+            self.ppas_template_path(self.manager.version)
+            if self.manager.server_type == 'ppas' else
+            self.pg_template_path(self.manager.version)
+            )
+
+        return f(*args, **kwargs)
+
+    return wrap
+
+
+class SchemaView(PGChildNodeView):
+    """
+    This class is responsible for generating routes for schema node.
+
+    Methods:
+    -------
+    * __init__(**kwargs)
+      - Method is used to initialize the SchemaView and it's base view.
+
+    * module_js()
+      - Request handler for module.js routes for the schema node module
+      javascript, which returns javscript for this module.
+
+    * list()
+      - This function is used to list all the schema nodes within the
+      collection.
+
+    * nodes()
+      - This function will used to create all the child node within the
+        collection, Here it will create all the schema node.
+
+    * properties(gid, sid, did, scid)
+      - This function will show the properties of the selected schema node.
+
+    * create(gid, sid, did, scid)
+      - This function will create the new schema object.
+
+    * update(gid, sid, did, scid)
+      - This function will update the data for the selected schema node.
+
+    * delete(self, gid, sid, scid):
+      - This function will drop the schema object
+
+    * msql(gid, sid, did, scid)
+      - This function is used to return modified SQL for the selected schema
+        node.
+
+    * get_sql(data, scid)
+      - This function will generate sql from model data
+
+    * sql(gid, sid, did, scid):
+      - This function will generate sql to show it in sql pane for the schema
+        node.
+
+    * dependency(gid, sid, did, scid):
+      - This function will generate dependency list show it in dependency
+        pane for the selected schema node.
+
+    * dependent(gid, sid, did, scid):
+      - This function will generate dependent list to show it in dependent
+        pane for the selected schema node.
+    """
+    node_type = schema_blueprint.node_type
+
+    parent_ids = [
+            {'type': 'int', 'id': 'gid'},
+            {'type': 'int', 'id': 'sid'},
+            {'type': 'int', 'id': 'did'}
+            ]
+    ids = [
+            {'type': 'int', 'id': 'scid'}
+            ]
+
+    operations = dict({
+        'obj': [
+            {'get': 'properties', 'delete': 'delete', 'put': 'update'},
+            {'get': 'list', 'post': 'create'}
+        ],
+        'children': [{ 'get': 'children'}],
+        'nodes': [{'get': 'nodes'}, {'get': 'nodes'}],
+        'sql': [{'get': 'sql'}],
+        'msql': [{'get': 'msql'}, {'get': 'msql'}],
+        'stats': [{'get': 'statistics'}],
+        'dependency': [{'get': 'dependencies'}],
+        'dependent': [{'get': 'dependents'}],
+        'module.js': [{}, {}, {'get': 'module_js'}],
+        'delete': [{'delete': 'delete'}]
+    })
+
+    def __init__(self, *args, **kwargs):
+        """
+        Initialize the variables used by methods of SchemaView.
+        """
+
+        super(SchemaView, self).__init__(*args, **kwargs)
+
+        self.manager = None
+        self.conn = None
+        self.template_path = None
+        self.template_initial = 'schema'
+
+
+    @staticmethod
+    def ppas_template_path(ver):
+        """
+        Returns the template path for PPAS servers.
+        """
+        if ver >= 90200:
+            return 'ppas/9.2_plus'
+        return 'ppas/9.1_plus'
+
+    @staticmethod
+    def pg_template_path(ver):
+        """
+        Returns the template path for PostgreSQL servers.
+        """
+        if ver >= 90200:
+            return 'pg/9.2_plus'
+        return 'pg/9.1_plus'
+
+    def format_request_acls(self, data, modified=False, specific=None):
+        acls = {}
+        try:
+            acls = render_template(
+                "/".join([self.template_path, 'allowed_privs.json'])
+                )
+            acls = json.loads(acls)
+        except Exception as e:
+            current_app.logger.exception(e)
+
+        # Privileges
+        for aclcol in acls:
+            if specific is not None:
+                if aclcol not in specific:
+                    continue
+            if aclcol in data:
+                allowedacl = acls[aclcol]
+                if modified:
+                    for modifier in ['added', 'changed', 'deleted']:
+                        if modifier in data[aclcol]:
+                            data[aclcol][modifier] = parse_priv_to_db(
+                                data[aclcol][modifier], allowedacl['acl']
+                                )
+                else:
+                    data[aclcol] = parse_priv_to_db(data[aclcol], allowedacl['acl'])
+
+        return acls
+
+    @staticmethod
+    def formatdbacl(acl):
+        """
+        Args:
+            acl: Privileges from ACL query
+
+        Returns:
+            Formatted output required for client side parsing
+        """
+        # Reset any data for that acl if its already present in result set
+        data = dict()
+        for row in acl['rows']:
+            priv = parse_priv_from_db(row)
+
+            if row['deftype'] in data:
+                data[row['deftype']].append(priv)
+            else:
+                data[row['deftype']] = [priv]
+        return data
+
+    def _formatter_no_defacl(self, data, scid=None):
+        """
+        Args:
+            data: Result of properties query
+            scid: Schema OID
+
+        Returns:
+            It will return formatted output of collections like
+            security lables, privileges
+        """
+        # Need to format security labels according to client js collection
+        seclabels = []
+        if 'seclabels' in data and data['seclabels'] is not None:
+            for sec in data['seclabels']:
+                sec = re.search(r'([^=]+)=(.*$)', sec)
+                seclabels.append({
+                    'provider': sec.group(1),
+                    'security_label': sec.group(2)
+                    })
+
+        data['seclabels'] = seclabels
+
+        # We need to parse & convert ACL coming from database to json format
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/acl.sql']),
+            _=gettext,
+            scid=scid
+            )
+        status, acl = self.conn.execute_dict(SQL)
+        if not status:
+            return internal_server_error(errormsg=acl)
+
+        data.update(self.formatdbacl(acl))
+
+        return data
+
+    def _formatter(self, data, scid=None):
+
+        self._formatter_no_defacl(data, scid)
+
+        # We need to parse & convert DEFAULT ACL coming from
+        # database to json format
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/defacl.sql']),
+            _=gettext,
+            scid=scid
+            )
+
+        status, defacl = self.conn.execute_dict(SQL)
+        if not status:
+            return internal_server_error(errormsg=defacl)
+
+        data.update(self.formatdbacl(defacl))
+
+        return data
+
+    @check_precondition
+    def list(self, gid, sid, did):
+        """
+        This function is used to list all the schema nodes within the collection.
+
+        Args:
+            gid: Server group ID
+            sid: Server ID
+            did: Database ID
+
+        Returns:
+            JSON of available schema nodes
+        """
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/properties.sql']),
+            _=gettext,
+            show_sysobj=self.blueprint.show_system_objects
+            )
+        status, res = self.conn.execute_dict(SQL)
+
+        if not status:
+            return internal_server_error(errormsg=res)
+        return ajax_response(
+                response=res['rows'],
+                status=200
+                )
+
+    @check_precondition
+    def nodes(self, gid, sid, did, scid=None):
+        """
+        This function will create all the child nodes within the collection
+        Here it will create all the schema node.
+
+        Args:
+            gid: Server Group ID
+            sid: Server ID
+            did: Database ID
+
+        Returns:
+            JSON of available schema child nodes
+        """
+        res = []
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/nodes.sql']),
+            show_sysobj=self.blueprint.show_system_objects,
+            _=gettext,
+            scid=scid
+            )
+
+        status, rset = self.conn.execute_2darray(SQL)
+        if not status:
+            return internal_server_error(errormsg=rset)
+
+        if scid is not None:
+            if len(rset['rows']) == 0:
+                return gone(gettext("""
+Could not find the schema in the database.
+It may have been removed by another user.
+"""))
+
+        icon = 'icon-{0}'.format(self.node_type)
+
+        for row in rset['rows']:
+            res.append(
+                self.blueprint.generate_browser_node(
+                    row['oid'],
+                    did,
+                    row['name'],
+                    icon=icon,
+                    can_create=row['can_create'],
+                    has_usage=row['has_usage']
+                    )
+                )
+
+        return make_json_response(
+                data=res,
+                status=200
+                )
+
+    @check_precondition
+    def properties(self, gid, sid, did, scid):
+        """
+        This function will show the properties of the selected schema node.
+
+        Args:
+            gid: Server Group ID
+            sid: Server ID
+            did:  Database ID
+            scid: Schema ID
+
+        Returns:
+            JSON of selected schema node
+        """
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/properties.sql']),
+            scid=scid,
+            _=gettext,
+            show_sysobj=self.blueprint.show_system_objects
+            )
+
+        status, res = self.conn.execute_dict(SQL)
+
+        if not status:
+            return internal_server_error(errormsg=res)
+
+        if len(res['rows']) == 0:
+            return gone(gettext("""
+Could not find the schema in the database.
+It may have been removed by another user.
+"""))
+
+        # Making copy of output for future use
+        copy_data = dict(res['rows'][0])
+        copy_data = self._formatter(copy_data, scid)
+
+        return ajax_response(
+                response=copy_data,
+                status=200
+                )
+
+    @check_precondition
+    def create(self, gid, sid, did):
+        """
+        This function will create a schema object
+
+         Args:
+           gid: Server Group ID
+           sid: Server ID
+           did: Database ID
+        """
+        data = request.form if request.form else \
+            json.loads(request.data.decode())
+
+        required_args = {
+            'name': 'Name'
+        }
+
+        for arg in required_args:
+            if arg not in data:
+                return make_json_response(
+                    status=410,
+                    success=0,
+                    errormsg=gettext(
+                        "Couldn't find the required parameter (%s)." %
+                        required_args[arg]
+                    )
+                )
+        try:
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/create.sql']),
+                data=data, conn=self.conn, _=gettext
+                )
+            status, res = self.conn.execute_scalar(SQL)
+            if not status:
+                return make_json_response(
+                    status=410,
+                    success=0,
+                    errormsg=res + '\n' +
+                    'Operation failed while running create statement'
+                    )
+            self.format_request_acls(data, specific=['nspacl'])
+
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/alter.sql']),
+                data=data, conn=self.conn, _=gettext
+                )
+            # Checking if we are not executing empty query
+            if SQL and SQL.strip('\n') and SQL.strip(' '):
+                status, res = self.conn.execute_scalar(SQL)
+                if not status:
+                    return make_json_response(
+                        status=410,
+                        success=0,
+                        errormsg=res + '\n' +
+                        'Operation failed while running alter statement'
+                        )
+
+            # we need oid to to add object in tree at browser,
+            # below sql will gives the same
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/oid.sql']),
+                schema=data['name'], _=gettext
+                )
+
+            status, scid = self.conn.execute_scalar(SQL)
+            if not status:
+                return internal_server_error(errormsg=scid)
+
+            icon = 'icon-{0}'.format(self.node_type)
+
+            return jsonify(
+                node=self.blueprint.generate_browser_node(
+                    scid,
+                    did,
+                    data['name'],
+                    icon=icon
+                )
+            )
+        except Exception as e:
+            current_app.logger.exception(e)
+            return internal_server_error(errormsg=str(e))
+
+    @check_precondition
+    def update(self, gid, sid, did, scid):
+        """
+        This function will update an existing schema object
+
+         Args:
+           gid: Server Group ID
+           sid: Server ID
+           did: Database ID
+           scid: Schema ID
+        """
+        data = request.form if request.form else json.loads(
+            request.data.decode()
+        )
+        try:
+            SQL = self.get_sql(gid, sid, data, scid)
+
+            if SQL and SQL.strip('\n') and SQL.strip(' '):
+                status, res = self.conn.execute_scalar(SQL)
+                if not status:
+                    return internal_server_error(errormsg=res)
+
+                return make_json_response(
+                    success=1,
+                    info="Updated",
+                    data={
+                        'id': scid,
+                        'sid': sid,
+                        'gid': gid,
+                        'did': did
+                    }
+                )
+            else:
+                return make_json_response(
+                    success=1,
+                    info="Nothing to update",
+                    data={
+                        'id': scid,
+                        'sid': sid,
+                        'gid': gid,
+                        'did': did
+                    }
+                )
+        except Exception as e:
+            return internal_server_error(errormsg=str(e))
+
+    @check_precondition
+    def delete(self, gid, sid, did, scid):
+        """
+        This function will delete an existing schema object
+
+         Args:
+           gid: Server Group ID
+           sid: Server ID
+           did: Database ID
+           scid: Schema ID
+        """
+
+        try:
+            # Get name for schema from did
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/get_name.sql']),
+                _=gettext,
+                scid=scid
+                )
+
+            status, name = self.conn.execute_scalar(SQL)
+            if not status:
+                return internal_server_error(errormsg=name)
+            # drop schema
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/delete.sql']),
+                _=gettext, name=name, conn=self.conn,
+                cascade=True if self.cmd == 'delete' else False
+                )
+            status, res = self.conn.execute_scalar(SQL)
+            if not status:
+                return internal_server_error(errormsg=res)
+
+            return make_json_response(
+                success=1,
+                info=gettext("Schema dropped"),
+                data={
+                    'id': scid,
+                    'sid': sid,
+                    'gid': gid,
+                    'did': did
+                }
+            )
+
+        except Exception as e:
+            current_app.logger.exception(e)
+            return internal_server_error(errormsg=str(e))
+
+    @check_precondition
+    def msql(self, gid, sid, did, scid=None):
+        """
+        This function will generate modified sql for schema object based on
+        the input from the user. This route is used by the SQL tab in the
+        edit/create dialog.
+
+         Args:
+           gid: Server Group ID
+           sid: Server ID
+           did: Database ID
+           scid: Schema ID (When working with existing schema node)
+        """
+        data = dict()
+        for k, v in request.args.items():
+            try:
+                data[k] = json.loads(v)
+            except ValueError:
+                data[k] = v
+
+        try:
+            SQL = self.get_sql(gid, sid, data, scid)
+            if SQL and SQL.strip('\n') and SQL.strip(' '):
+                return make_json_response(
+                        data=SQL,
+                        status=200
+                        )
+        except Exception as e:
+            return internal_server_error(errormsg=str(e))
+
+    def get_sql(self, gid, sid, data, scid=None):
+        """
+        This function will generate sql from model data received from client
+        """
+        if scid is not None:
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/properties.sql']),
+                _=gettext, scid=scid,
+                show_sysobj=self.blueprint.show_system_objects
+                )
+
+            status, res = self.conn.execute_dict(SQL)
+            if not status:
+                return internal_server_error(errormsg=res)
+            old_data = res['rows'][0]
+            # old_data contains all the existing data for requested schema
+            old_data = self._formatter(old_data, scid)
+
+            # if name is not present in request data then use old name
+            if 'name' not in data:
+                data['name'] = old_data['name']
+
+            # Privileges and Default privileges
+            self.format_request_acls(data, True)
+
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/update.sql']),
+                _=gettext, data=data, o_data=old_data, conn=self.conn
+                )
+        else:
+            required_args = ['name']
+
+            for arg in required_args:
+                if arg not in data:
+                    return " -- " + gettext("definition incomplete")
+
+            # Privileges
+            self.format_request_acls(data, specific=['nspacl'])
+
+            SQL = render_template(
+                "/".join([self.template_path, 'sql/create.sql']),
+                data=data, conn=self.conn, _=gettext
+                )
+            SQL += "\n"
+            SQL += render_template(
+                "/".join([self.template_path, 'sql/alter.sql']),
+                _=gettext, data=data, conn=self.conn
+                )
+
+        return SQL
+
+    @check_precondition
+    def sql(self, gid, sid, did, scid):
+        """
+        This function will generate reverse engineered sql for the schema
+        object.
+
+         Args:
+           gid: Server Group ID
+           sid: Server ID
+           did: Database ID
+           scid: Schema ID
+        """
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/properties.sql']),
+            scid=scid, _=gettext
+            )
+
+        status, res = self.conn.execute_dict(SQL)
+        if not status:
+            return internal_server_error(errormsg=res)
+
+        if len(res['rows']) == 0:
+            return gone(gettext("""
+Could not find the schema in the database.
+It may have been removed by another user.
+"""))
+
+        data = res['rows'][0]
+        data = self._formatter(data, scid)
+
+        # Privileges and Default privileges
+        self.format_request_acls(data)
+
+        # Render sql from create & alter sql using properties & acl data
+        SQL = ''
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/create.sql']),
+            _=gettext, data=data, conn=self.conn
+            )
+        SQL += "\n"
+        SQL += render_template(
+            "/".join([self.template_path, 'sql/alter.sql']),
+            _=gettext, data=data, conn=self.conn
+            )
+
+        sql_header = """
+-- SCHEMA: {0}
+
+-- DROP SCHEMA {0};
+
+""".format(data['name'])
+
+        SQL = sql_header + SQL
+
+        return ajax_response(response=SQL.strip("\n"))
+
+    @check_precondition
+    def dependents(self, gid, sid, did, scid):
+        """
+        This function gets the dependencies and returns an ajax response.
+        for the schema node.
+
+        Args:
+            gid: Server Group ID
+            sid: Server ID
+            did: Database ID
+            scid: Schema ID
+        """
+        dependents_result = self.get_dependents(self.conn, scid)
+        return ajax_response(
+                response=dependents_result,
+                status=200
+                )
+
+    @check_precondition
+    def dependencies(self, gid, sid, did, scid):
+        """
+        This function get the dependencies and return ajax response
+        for the schema node.
+
+        Args:
+            gid: Server Group ID
+            sid: Server ID
+            did: Database ID
+            scid: Schema ID
+        """
+        dependencies_result = self.get_dependencies(self.conn, scid)
+        return ajax_response(
+                response=dependencies_result,
+                status=200
+                )
+
+    @check_precondition
+    def children(self, **kwargs):
+        """Build a list of treeview nodes from the child nodes."""
+
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/is_catalog.sql']),
+            scid=kwargs['scid'], _=gettext
+            )
+
+        status, res = self.conn.execute_dict(SQL)
+
+        if not status:
+            return internal_server_error(errormsg=res)
+
+        if len(res['rows']) == 0:
+            return gone(gettext("""
+Could not find the schema in the database.
+It may have been removed by another user.
+"""))
+
+        data = res['rows'][0]
+        backend_support_keywords = kwargs.copy()
+        backend_support_keywords['is_catalog'] = data['is_catalog']
+        backend_support_keywords['db_support'] = data['db_support']
+        backend_support_keywords['schema_name'] = data['schema_name']
+
+        nodes = []
+        for module in self.blueprint.submodules:
+            if isinstance(module, PGChildModule):
+                if self.manager is not None and \
+                        module.BackendSupported(
+                            self.manager, **backend_support_keywords
+                        ):
+                    nodes.extend(module.get_nodes(**kwargs))
+            else:
+                nodes.extend(module.get_nodes(**kwargs))
+
+        return make_json_response(data=nodes)
+
+
+
+class CatalogView(SchemaView):
+    """
+    This class is responsible for generating routes for catalog schema node.
+
+    Methods:
+    -------
+    * __init__(**kwargs)
+      - Method is used to initialize the CatalogView and it's base view.
+
+    * module_js()
+      - This property defines (if javascript) exists for this node.
+        Override this property for your own logic
+
+    * create(gid, sid, did, scid)
+      - Raise an error - we can not create a catalog.
+
+    * update(gid, sid, did, scid)
+      - This function will update the data for the selected catalog node
+
+    * delete(self, gid, sid, scid):
+      - Raise an error - we can not delete a catalog.
+
+    * get_sql(data, scid)
+      - This function will generate sql from model data
+
+    """
+
+    node_type = catalog_blueprint.node_type
+
+    def __init__(self, *args, **kwargs):
+        """
+        Initialize the variables used by methods of SchemaView.
+        """
+
+        super(CatalogView, self).__init__(*args, **kwargs)
+
+        self.template_initial = 'catalog'
+
+
+    def _formatter(self, data, scid=None):
+
+        """
+        Overriding _formatter, because - we won't show the Default
+        privileges with the catalog schema.
+        """
+
+        self._formatter_no_defacl(data, scid)
+
+        return data
+
+    def get_sql(self, gid, sid, data, scid=None):
+        """
+        This function will generate sql from model data
+        """
+        if scid is None:
+            return bad_request('Cannot create a catalog schema!')
+
+        return super(CatalogView, self).get_sql(gid, sid, data, scid)
+
+    @check_precondition
+    def sql(self, gid, sid, did, scid):
+        """
+        This function will generate reverse engineered sql for schema object
+
+         Args:
+           gid: Server Group ID
+           sid: Server ID
+           did: Database ID
+           scid: Schema ID
+        """
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/properties.sql']),
+            scid=scid, _=gettext
+            )
+
+        status, res = self.conn.execute_dict(SQL)
+        if not status:
+            return internal_server_error(errormsg=res)
+
+        if len(res['rows']) == 0:
+            return gone(gettext("""
+Could not find the schema in the database.
+It may have been removed by another user.
+"""))
+
+        old_data = res['rows'][0]
+        old_data = self._formatter(old_data, scid)
+
+        # Privileges
+        self.format_request_acls(old_data, specific=['nspacl'])
+
+        # Render sql from create & alter sql using properties & acl data
+        SQL = ''
+        SQL = render_template(
+            "/".join([self.template_path, 'sql/create.sql']),
+            _=gettext, data=old_data, conn=self.conn
+            )
+        SQL += "\n"
+        SQL += render_template(
+            "/".join([self.template_path, 'sql/alter.sql']),
+            _=gettext, data=old_data, conn=self.conn
+            )
+
+        sql_header = """
+-- CATALOG: {0}
+
+-- DROP SCHEMA {0};
+
+""".format(old_data['name'])
+
+        SQL = sql_header + SQL
+
+        return ajax_response(response=SQL.strip("\n"))
+
+
+SchemaView.register_node_view(schema_blueprint)
+CatalogView.register_node_view(catalog_blueprint)
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/catalog.png b/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/catalog.png
new file mode 100644
index 000000000..7c0ef24ff
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diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/coll-catalog.png b/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/coll-catalog.png
new file mode 100644
index 000000000..caa6d3d40
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diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/coll-schema.png b/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/coll-schema.png
new file mode 100644
index 000000000..9733882b7
Binary files /dev/null and b/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/coll-schema.png differ
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/schema.png b/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/schema.png
new file mode 100644
index 000000000..4dacf1856
Binary files /dev/null and b/web/pgadmin/browser/server_groups/servers/databases/schemas/static/img/schema.png differ
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/js/catalog.js b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/js/catalog.js
new file mode 100644
index 000000000..e9e60bd16
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/js/catalog.js
@@ -0,0 +1,111 @@
+ define(
+        ['jquery', 'underscore', 'underscore.string', 'pgadmin',
+        'pgadmin.browser', 'backform', 'alertify', 'pgadmin.browser.collection'],
+function($, _, S, pgAdmin, pgBrowser, Backform, alertify) {
+   // Extend the browser's collection class for SecurityLabel control
+    var SecurityModel = Backform.SecurityModel = pgAdmin.Browser.Node.Model.extend({
+    defaults: {
+      provider: null,
+      security_label: null
+    },
+    schema: [{
+      id: 'provider', label: '{{ _('Provider') }}',
+      type: 'text', disabled: false
+    },{
+      id: 'security_label', label: '{{ _('Security Label') }}',
+      type: 'text', disabled: false
+    }],
+    validate: function() {
+      var err = {},
+          errmsg = null;
+
+      if (_.isUndefined(this.get('security_label')) ||
+        _.isNull(this.get('security_label')) ||
+        String(this.get('security_label')).replace(/^\s+|\s+$/g, '') == '') {
+            errmsg =  '{{ _('Please specify the value for all the security providers.')}}';
+            this.errorModel.set('security_label', errmsg);
+            return errmsg;
+          } else {
+            this.errorModel.unset('security_label');
+          }
+      return null;
+    }
+  });
+
+  // Extend the browser's collection class for catalog collection
+  if (!pgBrowser.Nodes['coll-catalog']) {
+    var databases = pgAdmin.Browser.Nodes['coll-catalog'] =
+      pgAdmin.Browser.Collection.extend({
+        node: 'catalog',
+        label: '{{ _('Catalogs') }}',
+        type: 'coll-catalog',
+        columns: ['name', 'oid', 'description']
+      });
+  };
+  // Extend the browser's node class for catalog node
+  if (!pgBrowser.Nodes['catalog']) {
+    pgAdmin.Browser.Nodes['catalog'] = pgAdmin.Browser.Node.extend({
+      parent_type: 'database',
+      type: 'catalog',
+      label: '{{ _('Catalog') }}',
+      hasSQL:  true,
+      hasDepends: true,
+      Init: function() {
+        /* Avoid mulitple registration of menus */
+        if (this.initialized)
+            return;
+
+        this.initialized = true;
+
+      },
+      model: pgAdmin.Browser.Node.Model.extend({
+        defaults: {
+          name: undefined,
+          namespaceowner: undefined,
+          nspacl: undefined,
+          description: undefined,
+          securitylabel: []
+        },
+        initialize: function(attrs, args) {
+          var isNew = (_.size(attrs) === 0);
+
+          if (isNew) {
+            var userInfo = pgBrowser.serverInfo[args.node_info.server._id].user;
+
+            this.set({'namespaceowner': userInfo.name}, {silent: true});
+          }
+          pgAdmin.Browser.Node.Model.prototype.initialize.apply(this, arguments);
+        },
+        schema: [{
+          id: 'name', label: '{{ _('Name') }}', cell: 'string',
+          type: 'text', disabled: true
+        },{
+          id: 'oid', label:'{{ _('Oid') }}', cell: 'string',
+          type: 'text', disabled: true
+        },{
+          id: 'namespaceowner', label:'{{ _('Owner') }}', cell: 'string',
+          type: 'text', disabled: true
+        },{
+          id: 'acl', label: '{{ _('Privileges') }}', type: 'text',
+          mode: ['properties'], disabled: true
+        },{
+          id: 'description', label:'{{ _('Comment') }}', cell: 'string',
+          type: 'multiline'
+       },{
+          id: 'seclabels', label: '{{ _('Security Labels') }}',
+          model: SecurityModel, editable: false, type: 'collection',
+          group: '{{ _('Security') }}', mode: ['edit', 'create'],
+          min_version: 90200, canAdd: true,
+          canEdit: false, canDelete: true, control: 'unique-col-collection'
+         }
+        ],
+        validate: function() {
+          return null;
+        }
+      })
+  });
+
+  }
+
+  return pgBrowser.Nodes['catalog'];
+});
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/allowed_privs.json
new file mode 100644
index 000000000..261915431
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/allowed_privs.json
@@ -0,0 +1,26 @@
+{# List of allowed privileges for PostgreSQL 9.1 #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "DATABASE",
+        "acl": ["c", "C", "T"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/alter.sql
new file mode 100644
index 000000000..937bab7ba
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/alter.sql
@@ -0,0 +1 @@
+{# We have nothing to alter in the catalog #}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/create.sql
new file mode 100644
index 000000000..12dd10251
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/create.sql
@@ -0,0 +1,17 @@
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% if data %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}
+{% if data.namespaceowner %}
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+{% endif %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..9386acbf4
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/nodes.sql
new file mode 100644
index 000000000..fccaccfad
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/nodes.sql
@@ -0,0 +1,16 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+{{ CATALOGS.LABELS('nsp', _) }},
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/properties.sql
new file mode 100644
index 000000000..5f338a0a2
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/properties.sql
@@ -0,0 +1,27 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    2 AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/update.sql
new file mode 100644
index 000000000..829bfa25f
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.1_plus/sql/update.sql
@@ -0,0 +1,30 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% if data %}
+{# ==== To update catalog comments ==== #}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(o_data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ==== To update catalog securitylabel ==== #}
+{# The SQL generated below will change Security Label #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABLE.DROP(conn, 'SCHEMA', o_data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/allowed_privs.json
new file mode 100644
index 000000000..2ad1e739d
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/allowed_privs.json
@@ -0,0 +1,30 @@
+{# List of allowed privileges for PostgreSQL 9.2 or later #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "DATABASE",
+        "acl": ["c", "C", "T"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    },
+    "deftypeacl": {
+        "type": "TYPE",
+        "acl": ["U"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/alter.sql
new file mode 100644
index 000000000..937bab7ba
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/alter.sql
@@ -0,0 +1 @@
+{# We have nothing to alter in the catalog #}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/create.sql
new file mode 100644
index 000000000..12dd10251
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/create.sql
@@ -0,0 +1,17 @@
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% if data %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}
+{% if data.namespaceowner %}
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+{% endif %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..9386acbf4
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/nodes.sql
new file mode 100644
index 000000000..fccaccfad
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/nodes.sql
@@ -0,0 +1,16 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+{{ CATALOGS.LABELS('nsp', _) }},
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/properties.sql
new file mode 100644
index 000000000..692e4a09b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/properties.sql
@@ -0,0 +1,28 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    2 AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftypeacl' AND defaclnamespace = nsp.oid) AS typeacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/update.sql
new file mode 100644
index 000000000..829bfa25f
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/9.2_plus/sql/update.sql
@@ -0,0 +1,30 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% if data %}
+{# ==== To update catalog comments ==== #}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(o_data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ==== To update catalog securitylabel ==== #}
+{# The SQL generated below will change Security Label #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABLE.DROP(conn, 'SCHEMA', o_data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/macros/catalogs.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/macros/catalogs.sql
new file mode 100644
index 000000000..5f9bf9532
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/pg/macros/catalogs.sql
@@ -0,0 +1,25 @@
+{% macro LIST(tbl) -%}
+    ({{ tbl }}.nspname = 'pg_catalog' AND EXISTS
+        (SELECT 1 FROM pg_class WHERE relname = 'pg_class' AND
+            relnamespace = {{ tbl }}.oid LIMIT 1)) OR
+    ({{ tbl }}.nspname = 'pgagent' AND EXISTS
+        (SELECT 1 FROM pg_class WHERE relname = 'pga_job' AND
+            relnamespace = {{ tbl }}.oid LIMIT 1)) OR
+    ({{ tbl }}.nspname = 'information_schema' AND EXISTS
+        (SELECT 1 FROM pg_class WHERE relname = 'tables' AND
+            relnamespace = {{ tbl }}.oid LIMIT 1))
+{%- endmacro %}
+{% macro LABELS(tbl, _) -%}
+    CASE {{ tbl }}.nspname
+    WHEN 'pg_catalog' THEN '{{ _( 'PostgreSQL Catalog' ) }} (pg_catalog)'
+    WHEN 'pgagent' THEN '{{ _( 'pgAgent Job Scheduler' ) }} (pgagent)'
+    WHEN 'information_schema' THEN '{{ _( 'ANSI' ) }} (information_schema)'
+    ELSE {{ tbl }}.nspname
+    END AS name
+{%- endmacro %}
+{% macro DB_SUPPORT(tbl) -%}
+    CASE
+    WHEN {{ tbl }}.nspname = ANY('{information_schema}')
+        THEN false
+    ELSE true END
+{%- endmacro %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/allowed_privs.json
new file mode 100644
index 000000000..4b8fb1258
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/allowed_privs.json
@@ -0,0 +1,26 @@
+{# List of allowed privileges for PPAS 9.1 #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "DATABASE",
+        "acl": ["c", "C", "T"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/alter.sql
new file mode 100644
index 000000000..937bab7ba
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/alter.sql
@@ -0,0 +1 @@
+{# We have nothing to alter in the catalog #}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/create.sql
new file mode 100644
index 000000000..38c553228
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/create.sql
@@ -0,0 +1,17 @@
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% if data %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}
+{% if data.namespaceowner %}
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+  IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+{% endif %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..992b18c3b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/nodes.sql
new file mode 100644
index 000000000..f7bfb16bf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/nodes.sql
@@ -0,0 +1,17 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+{{ CATALOGS.LABELS('nsp', _) }},
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    nsp.nspparent = 0 AND
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/properties.sql
new file mode 100644
index 000000000..bd494c5c2
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/properties.sql
@@ -0,0 +1,31 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    CASE
+    WHEN (nspname LIKE E'pg\\_temp\\_%') THEN 1
+    WHEN (nspname LIKE E'pg\\_%') THEN 0
+    ELSE 3 END AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    nsp.nspparent = 0 AND
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/update.sql
new file mode 100644
index 000000000..829bfa25f
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.1_plus/sql/update.sql
@@ -0,0 +1,30 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% if data %}
+{# ==== To update catalog comments ==== #}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(o_data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ==== To update catalog securitylabel ==== #}
+{# The SQL generated below will change Security Label #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABLE.DROP(conn, 'SCHEMA', o_data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/allowed_privs.json
new file mode 100644
index 000000000..8e650f27b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/allowed_privs.json
@@ -0,0 +1,30 @@
+{# List of allowed privileges for PPAS 9.2 or later #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "DATABASE",
+        "acl": ["c", "C", "T"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    },
+    "deftypeacl": {
+        "type": "TYPE",
+        "acl": ["U"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/alter.sql
new file mode 100644
index 000000000..937bab7ba
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/alter.sql
@@ -0,0 +1 @@
+{# We have nothing to alter in the catalog #}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/create.sql
new file mode 100644
index 000000000..38c553228
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/create.sql
@@ -0,0 +1,17 @@
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% if data %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}
+{% if data.namespaceowner %}
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+  IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+{% endif %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..992b18c3b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/nodes.sql
new file mode 100644
index 000000000..70a6dd0d5
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/nodes.sql
@@ -0,0 +1,17 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+{{ CATALOGS.LABELS('nsp', _)  }},
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    nsp.nspparent = 0 AND
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/properties.sql
new file mode 100644
index 000000000..9fe9404d1
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/properties.sql
@@ -0,0 +1,29 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    2 END AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftypeacl' AND defaclnamespace = nsp.oid) AS typeacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% endif %}
+    nsp.nspparent = 0 AND
+    (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/update.sql
new file mode 100644
index 000000000..829bfa25f
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/9.2_plus/sql/update.sql
@@ -0,0 +1,30 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% if data %}
+{# ==== To update catalog comments ==== #}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(o_data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ==== To update catalog securitylabel ==== #}
+{# The SQL generated below will change Security Label #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABLE.DROP(conn, 'SCHEMA', o_data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', o_data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/macros/catalogs.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/macros/catalogs.sql
new file mode 100644
index 000000000..d9095bddd
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/catalog/ppas/macros/catalogs.sql
@@ -0,0 +1,29 @@
+{% macro LIST(tbl) -%}
+    ({{ tbl }}.nspname = 'pg_catalog' AND EXISTS
+        (SELECT 1 FROM pg_class
+        WHERE relname = 'pg_class' AND relnamespace = {{ tbl }}.oid LIMIT 1)) OR
+    ({{ tbl }}.nspname = 'pgagent' AND EXISTS
+        (SELECT 1 FROM pg_class
+        WHERE relname = 'pga_job' AND relnamespace = {{ tbl }}.oid LIMIT 1)) OR
+    ({{ tbl }}.nspname = 'information_schema' AND EXISTS
+        (SELECT 1 FROM pg_class
+        WHERE relname = 'tables' AND relnamespace = {{ tbl }}.oid LIMIT 1)) OR
+    ({{ tbl }}.nspname = 'dbo' OR {{ tbl }}.nspname = 'sys') OR
+    {{ tbl }}.nspname = 'dbms_job_procedure' AND EXISTS
+       (SELECT 1 FROM pg_proc
+        WHERE pronamespace = {{ tbl }}.oid and proname = 'run_job' LIMIT 1))
+{%- endmacro %}
+{% macro LABELS(tbl, _) -%}
+    CASE {{ tbl }}.nspname
+    WHEN 'pg_catalog' THEN '{{ _( 'PostgreSQL Catalog' ) }} (pg_catalog)'
+    WHEN 'pgagent' THEN '{{ _( 'pgAgent Job Scheduler' ) }} (pgagent)'
+    WHEN 'information_schema' THEN '{{ _( 'ANSI' ) }} (information_schema)'
+    ELSE {{ tbl }}.nspname
+    END AS name
+{%- endmacro %}
+{% macro DB_SUPPORT(tbl) -%}
+    CASE
+    WHEN {{ tbl }}.nspname = ANY('{information_schema,sys,dbo}')
+        THEN false
+    ELSE true END
+{%- endmacro %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/js/schema.js b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/js/schema.js
new file mode 100644
index 000000000..6ff637f61
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/js/schema.js
@@ -0,0 +1,234 @@
+define(
+        ['jquery', 'underscore', 'underscore.string', 'pgadmin',
+        'pgadmin.browser', 'backform', 'alertify',
+        'pgadmin.browser.collection',
+        'pgadmin.browser.server.privilege'],
+function($, _, S, pgAdmin, pgBrowser, Backform, alertify) {
+   // Extend the browser's collection class for SecurityLabel control
+    var SecurityModel = Backform.SecurityModel = pgAdmin.Browser.Node.Model.extend({
+    defaults: {
+      provider: null,
+      security_label: null
+    },
+    schema: [{
+      id: 'provider', label: '{{ _('Provider') }}',
+      type: 'text', disabled: false
+    },{
+      id: 'security_label', label: '{{ _('Security Label') }}',
+      type: 'text', disabled: false
+    }],
+    validate: function() {
+      var err = {},
+          errmsg = null;
+
+      if (_.isUndefined(this.get('security_label')) ||
+        _.isNull(this.get('security_label')) ||
+        String(this.get('security_label')).replace(/^\s+|\s+$/g, '') == '') {
+            errmsg =  '{{ _('Please specify the value for all the security providers.')}}';
+            this.errorModel.set('security_label', errmsg);
+            return errmsg;
+          } else {
+            this.errorModel.unset('security_label');
+          }
+      return null;
+    }
+  });
+
+  // Extend the browser's collection class for schema collection
+  if (!pgBrowser.Nodes['coll-schema']) {
+    var databases = pgAdmin.Browser.Nodes['coll-schema'] =
+      pgAdmin.Browser.Collection.extend({
+        node: 'schema',
+        label: '{{ _('Schemas') }}',
+        type: 'coll-schema',
+        columns: ['name', 'oid', 'description']
+      });
+  };
+  // Extend the browser's node class for schema node
+  if (!pgBrowser.Nodes['schema']) {
+    pgAdmin.Browser.Nodes['schema'] = pgAdmin.Browser.Node.extend({
+      parent_type: 'database',
+      type: 'schema',
+      label: '{{ _('Schema') }}',
+      hasSQL:  true,
+      canDrop: true,
+      canDropCascade: true,
+      hasDepends: true,
+      Init: function() {
+        /* Avoid mulitple registration of menus */
+        if (this.initialized)
+            return;
+
+        this.initialized = true;
+
+        pgBrowser.add_menus([{
+          name: 'create_schema_on_coll', node: 'coll-schema', module: this,
+          applies: ['object', 'context'], callback: 'show_obj_properties',
+          category: 'create', priority: 4, label: '{{ _('Schema...') }}',
+          icon: 'wcTabIcon icon-schema', data: {action: 'create'}
+        },{
+          name: 'create_schema', node: 'schema', module: this,
+          applies: ['object', 'context'], callback: 'show_obj_properties',
+          category: 'create', priority: 4, label: '{{ _('Schema...') }}',
+          icon: 'wcTabIcon icon-schema', data: {action: 'create'}
+        },{
+          name: 'create_schema', node: 'database', module: this,
+          applies: ['object', 'context'], callback: 'show_obj_properties',
+          category: 'create', priority: 4, label: '{{ _('Schema...') }}',
+          icon: 'wcTabIcon icon-schema', data: {action: 'create'}
+        }
+        ]);
+      },
+      model: pgAdmin.Browser.Node.Model.extend({
+        defaults: {
+          name: undefined,
+          namespaceowner: undefined,
+          description: undefined,
+          is_system_obj: undefined,
+        },
+        initialize: function(attrs, args) {
+          var isNew = (_.size(attrs) === 0);
+
+          if (isNew) {
+            var userInfo = pgBrowser.serverInfo[args.node_info.server._id].user;
+
+            this.set({'namespaceowner': userInfo.name}, {silent: true});
+          }
+          pgAdmin.Browser.Node.Model.prototype.initialize.apply(this, arguments);
+        },
+        schema: [{
+          id: 'name', label: '{{ _('Name') }}', cell: 'string',
+          type: 'text'
+        },{
+          id: 'oid', label:'{{ _('Oid') }}', cell: 'string',
+          type: 'text', disabled: true, mode: ['edit', 'properties']
+        },{
+          id: 'namespaceowner', label:'{{ _('Owner') }}', cell: 'string',
+          type: 'text', control: 'node-list-by-name', node: 'role',
+          select2: { allowClear: false }
+        },{
+          id: 'description', label:'{{ _('Comment') }}', cell: 'string',
+          type: 'multiline'
+        },{
+          id: 'is_sys_object', label:'{{ _('System schema?') }}',
+          cell: 'switch', type: 'switch', mode: ['properties'], disabled: true,
+          options: {
+            'onText': 'Yes', 'offText': 'No',
+            'onColor': 'success', 'offColor': 'primary',
+            'size': 'small'
+          }
+        },{
+          id: 'acl', label: '{{ _('Privileges') }}', type: 'text',
+          mode: ['properties'], disabled: true
+        },{
+          id: 'tblacl', label: '{{ _('Default TABLE Privileges') }}', type: 'text',
+          mode: ['properties'], disabled: true
+        },{
+          id: 'seqacl', label: '{{ _('Default SEQUENCE Privileges') }}', type: 'text',
+          mode: ['properties'], disabled: true
+        },{
+          id: 'funcacl', label: '{{ _('Default FUNCTION Privileges') }}',
+          type: 'text', mode: ['properties'], disabled: true
+        },{
+          id: 'typeacl', label: '{{ _('Default TYPE Privileges') }}', type: 'text',
+          mode: ['properties'], disabled: true, min_version: 90200,
+          visible: function() {
+            return this.version_compatible;
+          }
+        },{
+          id: 'nspacl', label: '{{ _('Privileges') }}',
+          model: pgAdmin.Browser.Node.PrivilegeRoleModel.extend(
+          {privileges: ['C', 'U']}), uniqueCol : ['grantee', 'grantor'],
+          editable: false, type: 'collection', group: '{{ _('Security') }}',
+          mode: ['edit', 'create'],
+          canAdd: true, canDelete: true, control: 'unique-col-collection',
+        },{
+          id: 'seclabels', label: '{{ _('Security Labels') }}',
+          model: SecurityModel, editable: false, type: 'collection',
+          group: '{{ _('Security') }}', mode: ['edit', 'create'],
+          min_version: 90200, canAdd: true,
+          canEdit: false, canDelete: true, control: 'unique-col-collection'
+        },{
+          type: 'nested', control: 'tab', group: '{{ _('Default Privileges') }}',
+          mode: ['edit'],
+          schema:[{
+              id: 'deftblacl', model: pgAdmin.Browser.Node.PrivilegeRoleModel.extend(
+              {privileges: ['a', 'r', 'w', 'd', 'D', 'x', 't']}),
+              label: '{{ _('Default Privileges: Tables') }}',
+              editable: false, type: 'collection', group: '{{ _('Tables') }}',
+              mode: ['edit', 'create'], control: 'unique-col-collection',
+              canAdd: true, canDelete: true, uniqueCol : ['grantee', 'grantor']
+            },{
+              id: 'defseqacl', model: pgAdmin.Browser.Node.PrivilegeRoleModel.extend(
+              {privileges: ['r', 'w', 'U']}),
+              label: '{{ _('Default Privileges: Sequences') }}',
+              editable: false, type: 'collection', group: '{{ _('Sequences') }}',
+              mode: ['edit', 'create'], control: 'unique-col-collection',
+              canAdd: true, canDelete: true, uniqueCol : ['grantee', 'grantor']
+            },{
+              id: 'deffuncacl', model: pgAdmin.Browser.Node.PrivilegeRoleModel.extend(
+              {privileges: ['X']}),
+              label: '{{ _('Default Privileges: Functions') }}',
+              editable: false, type: 'collection', group: '{{ _('Functions') }}',
+              mode: ['edit', 'create'], control: 'unique-col-collection',
+              canAdd: true, canDelete: true, uniqueCol : ['grantee', 'grantor']
+            },{
+              id: 'deftypeacl', model: pgAdmin.Browser.Node.PrivilegeRoleModel.extend(
+              {privileges: ['U']}),
+              label: '{{ _('Default Privileges: Types') }}',
+              editable: false, type: 'collection', group: '{{ _('Types') }}',
+              mode: ['edit', 'create'], control: 'unique-col-collection',
+              canAdd: true, canDelete: true, uniqueCol : ['grantee', 'grantor'],
+              min_version: 90200
+            }]
+         }
+        ],
+        validate: function() {
+          var err = {},
+              errmsg = null;
+          // Validation of mandatory fields
+          this.errorModel.clear();
+          if (_.isUndefined(this.get('name')) ||
+            _.isNull(this.get('name')) ||
+            String(this.get('name')).replace(/^\s+|\s+$/g, '') == '') {
+                errmsg = '{{ _('Name can not be empty.')}}';
+                this.errorModel.set('name', errmsg);
+                return errmsg;
+          } else if (_.isUndefined(this.get('namespaceowner')) ||
+            _.isNull(this.get('namespaceowner')) ||
+            String(this.get('namespaceowner')).replace(/^\s+|\s+$/g, '') == '') {
+                errmsg = '{{ _('Owner can not be empty.')}}';
+                this.errorModel.set('namespaceowner', errmsg);
+                return errmsg;
+          }
+          return null;
+        }
+      }),
+      // This function will checks whether we can allow user to
+      // drop object or not based on location within schema & catalog
+      canChildDrop: function(itemData, item) {
+        var t = pgBrowser.tree, i = item, d = itemData;
+        // To iterate over tree to check parent node
+        while (i) {
+          // If it is schema then allow user to create collation
+          if (_.indexOf(['schema'], d._type) > -1)
+            return true;
+
+            //Check if we are not child of catalog
+            prev_i = t.hasParent(i) ? t.parent(i) : null;
+            prev_d = prev_i ? t.itemData(prev_i) : null;
+            if( prev_d._type == 'catalog') {
+              return false;
+            }
+          i = t.hasParent(i) ? t.parent(i) : null;
+          d = i ? t.itemData(i) : null;
+        }
+        // by default we do not want to allow create menu
+        return true;
+      }
+  });
+
+  }
+
+  return pgBrowser.Nodes['schema'];
+});
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/allowed_privs.json
new file mode 100644
index 000000000..a3dda2641
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/allowed_privs.json
@@ -0,0 +1,26 @@
+{# List of allowed privileges for PostgreSQL 9.1 #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "SCHEMA",
+        "acl": ["C", "U"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/alter.sql
new file mode 100644
index 000000000..f0d601d1c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/alter.sql
@@ -0,0 +1,35 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{#  Alter the comment/description #}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ACL for the schema #}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+
+{# Default privileges on tables #}
+{% for defacl, type in [
+    ('deftblacl', 'TABLES'), ('defseqacl', 'SEQUENCES'),
+    ('deffuncacl', 'FUNCTIONS')]
+%}
+{% if data[defacl] %}{% set acl = data[defacl] %}
+{% for priv in data.deftblacl %}
+{{ DEFAULT_PRIVILEGE.SET(
+    conn, 'SCHEMA', data.name, type, priv.grantee,
+    priv.without_grant, priv.with_grant
+    ) }}{% endfor %}
+{% endif %}
+{% endfor %}
+
+{# Security Labels on schema #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% for r in data.seclabels %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/create.sql
new file mode 100644
index 000000000..d3598ac16
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/create.sql
@@ -0,0 +1,7 @@
+{% if data.name %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}{% if data.namespaceowner %}
+
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }}{% endif %};
+{% else %}
+{{ -- _('Incomplete definition') }}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/defacl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/defacl.sql
new file mode 100644
index 000000000..c11bea642
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/defacl.sql
@@ -0,0 +1,39 @@
+SELECT
+    CASE (a.deftype)
+    WHEN 'r' THEN 'deftblacl'
+    WHEN 'S' THEN 'defseqacl'
+    WHEN 'f' THEN 'deffuncacl'
+    ELSE 'UNKNOWN - ' || a.deftype
+    END AS deftype,
+    COALESCE(gt.rolname, 'public') grantee, g.rolname grantor, array_agg(a.privilege_type) as privileges, array_agg(a.is_grantable) as grantable
+FROM
+    (SELECT
+        (acl).grantee as grantee, (acl).grantor AS grantor, (acl).is_grantable AS is_grantable,
+        CASE (acl).privilege_type
+        WHEN 'CONNECT' THEN 'c'
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'DELETE' THEN 'd'
+        WHEN 'EXECUTE' THEN 'X'
+        WHEN 'INSERT' THEN 'a'
+        WHEN 'REFERENCES' THEN 'x'
+        WHEN 'SELECT' THEN 'r'
+        WHEN 'TEMPORARY' THEN 'T'
+        WHEN 'TRIGGER' THEN 't'
+        WHEN 'TRUNCATE' THEN 'D'
+        WHEN 'UPDATE' THEN 'w'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN'
+        END AS privilege_type,
+        defaclobjtype as deftype
+    FROM
+        (SELECT defaclobjtype, aclexplode(defaclacl) as acl
+            FROM
+                pg_namespace nsp
+                LEFT OUTER JOIN pg_catalog.pg_default_acl dacl ON (dacl.defaclnamespace = nsp.oid)
+            WHERE
+                nsp.oid={{scid}}::int
+        ) d) a
+    LEFT JOIN pg_catalog.pg_roles g ON (a.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (a.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname, a.deftype
+ORDER BY a.deftype;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/delete.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/delete.sql
new file mode 100644
index 000000000..74e9126da
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/delete.sql
@@ -0,0 +1 @@
+DROP SCHEMA {{ conn|qtIdent(name) }} {% if cascade %}CASCADE{%endif%};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..9386acbf4
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/nodes.sql
new file mode 100644
index 000000000..3140c0921
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/nodes.sql
@@ -0,0 +1,21 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+    nsp.nspname as name,
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/oid.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/oid.sql
new file mode 100644
index 000000000..c5329b390
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/oid.sql
@@ -0,0 +1 @@
+SELECT nsp.oid FROM pg_namespace nsp WHERE nsp.nspname = {{ schema|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/properties.sql
new file mode 100644
index 000000000..7d61503a7
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/properties.sql
@@ -0,0 +1,35 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    CASE
+    WHEN (nspname LIKE E'pg\\_temp\\_%') THEN 1
+    WHEN (nspname LIKE E'pg\\_%') THEN 0
+    ELSE 3 END AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/update.sql
new file mode 100644
index 000000000..990b8c086
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.1_plus/sql/update.sql
@@ -0,0 +1,83 @@
+{% import 'macros/security.macros' as SECLABEL %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{# Rename the schema #}
+{% if data.name and data.name != o_data.name %}
+ALTER SCHEMA {{ conn|qtIdent(o_data.name) }}
+    RENAME TO {{ conn|qtIdent(data.name) }};
+
+{% endif %}
+{# Change the owner #}
+{% if data.namespaceowner and data.namespaceowner != o_data.namespaceowner %}
+ALTER SCHEMA {{ conn|qtIdent(data.name) }}
+    OWNER TO {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{# Update the comments/description #}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# Change the privileges #}
+{% if data.nspacl %}
+{% if 'deleted' in data.nspacl %}
+{% for priv in data.nspacl.deleted %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.nspacl %}
+{% for priv in data.nspacl.changed %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.nspacl %}
+{% for priv in data.nspacl.added %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{# Change the default privileges #}
+{% for defacl, type in [
+    ('deftblacl', 'TABLES'), ('defseqacl', 'SEQUENCES'),
+    ('deffuncacl', 'FUNCTIONS')]
+%}
+{% if data[defacl] %}{% set acl = data[defacl] %}
+{% if 'deleted' in acl %}
+{% for priv in acl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, type, priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in acl %}
+{% for priv in acl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, type, priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, type, priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in acl %}
+{% for priv in acl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, type, priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{% endfor %}
+{# Change the security labels #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABEL.DROP(conn, 'SCHEMA', data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/allowed_privs.json
new file mode 100644
index 000000000..61dfdfe91
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/allowed_privs.json
@@ -0,0 +1,30 @@
+{# List of allowed privileges for PostgreSQL 9.2 or later #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "SCHEMA",
+        "acl": ["C", "U"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    },
+    "deftypeacl": {
+        "type": "TYPE",
+        "acl": ["U"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/alter.sql
new file mode 100644
index 000000000..6ca29228e
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/alter.sql
@@ -0,0 +1,35 @@
+{% import 'macros/security.macros' as SECLABEL %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{#  Alter the comment/description #}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ACL for the schema #}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+
+{# Default privileges on tables #}
+{% for defacl, type in [
+    ('deftblacl', 'TABLES'), ('defseqacl', 'SEQUENCES'),
+    ('deffuncacl', 'FUNCTIONS'), ('deftypeacl', 'TYPES')]
+%}
+{% if data[defacl] %}{% set acl = data[defacl] %}
+{% for priv in data.deftblacl %}
+{{ DEFAULT_PRIVILEGE.SET(
+    conn, 'SCHEMA', data.name, type, priv.grantee,
+    priv.without_grant, priv.with_grant
+    ) }}{% endfor %}
+{% endif %}
+{% endfor %}
+
+{# Security Labels on schema #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% for r in data.seclabels %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/create.sql
new file mode 100644
index 000000000..d3598ac16
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/create.sql
@@ -0,0 +1,7 @@
+{% if data.name %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}{% if data.namespaceowner %}
+
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }}{% endif %};
+{% else %}
+{{ -- _('Incomplete definition') }}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/defacl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/defacl.sql
new file mode 100644
index 000000000..9c37a1d48
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/defacl.sql
@@ -0,0 +1,40 @@
+SELECT
+    CASE (a.deftype)
+    WHEN 'r' THEN 'deftblacl'
+    WHEN 'S' THEN 'defseqacl'
+    WHEN 'f' THEN 'deffuncacl'
+    WHEN 'T' THEN 'deftypeacl'
+    ELSE 'UNKNOWN - ' || a.deftype
+    END AS deftype,
+    COALESCE(gt.rolname, 'public') grantee, g.rolname grantor, array_agg(a.privilege_type) as privileges, array_agg(a.is_grantable) as grantable
+FROM
+    (SELECT
+        (acl).grantee as grantee, (acl).grantor AS grantor, (acl).is_grantable AS is_grantable,
+        CASE (acl).privilege_type
+        WHEN 'CONNECT' THEN 'c'
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'DELETE' THEN 'd'
+        WHEN 'EXECUTE' THEN 'X'
+        WHEN 'INSERT' THEN 'a'
+        WHEN 'REFERENCES' THEN 'x'
+        WHEN 'SELECT' THEN 'r'
+        WHEN 'TEMPORARY' THEN 'T'
+        WHEN 'TRIGGER' THEN 't'
+        WHEN 'TRUNCATE' THEN 'D'
+        WHEN 'UPDATE' THEN 'w'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (acl).privilege_type
+        END AS privilege_type,
+        defaclobjtype as deftype
+    FROM
+        (SELECT defaclobjtype, aclexplode(defaclacl) as acl
+            FROM
+                pg_namespace nsp
+                LEFT OUTER JOIN pg_catalog.pg_default_acl dacl ON (dacl.defaclnamespace = nsp.oid)
+            WHERE
+                nsp.oid={{scid}}::int
+        ) d) a
+    LEFT JOIN pg_catalog.pg_roles g ON (a.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (a.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname, a.deftype
+ORDER BY a.deftype;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/delete.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/delete.sql
new file mode 100644
index 000000000..74e9126da
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/delete.sql
@@ -0,0 +1 @@
+DROP SCHEMA {{ conn|qtIdent(name) }} {% if cascade %}CASCADE{%endif%};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..9386acbf4
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/nodes.sql
new file mode 100644
index 000000000..3140c0921
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/nodes.sql
@@ -0,0 +1,21 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+    nsp.nspname as name,
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/oid.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/oid.sql
new file mode 100644
index 000000000..c5329b390
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/oid.sql
@@ -0,0 +1 @@
+SELECT nsp.oid FROM pg_namespace nsp WHERE nsp.nspname = {{ schema|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/properties.sql
new file mode 100644
index 000000000..56cd4f7ad
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/properties.sql
@@ -0,0 +1,36 @@
+{% import 'catalog/pg/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    CASE
+    WHEN (nspname LIKE E'pg\\_temp\\_%') THEN 1
+    WHEN (nspname LIKE E'pg\\_%') THEN 0
+    ELSE 3 END AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftypeacl' AND defaclnamespace = nsp.oid) AS typeacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/update.sql
new file mode 100644
index 000000000..1e8066185
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/pg/9.2_plus/sql/update.sql
@@ -0,0 +1,83 @@
+{% import 'macros/security.macros' as SECLABEL %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{# Rename the schema #}
+{% if data.name and data.name != o_data.name %}
+ALTER SCHEMA {{ conn|qtIdent(o_data.name) }}
+    RENAME TO {{ conn|qtIdent(data.name) }};
+
+{% endif %}
+{# Change the owner #}
+{% if data.namespaceowner and data.namespaceowner != o_data.namespaceowner %}
+ALTER SCHEMA {{ conn|qtIdent(data.name) }}
+    OWNER TO {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{# Update the comments/description #}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# Change the privileges #}
+{% if data.nspacl %}
+{% if 'deleted' in data.nspacl %}
+{% for priv in data.nspacl.deleted %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.nspacl %}
+{% for priv in data.nspacl.changed %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.nspacl %}
+{% for priv in data.nspacl.added %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{# Change the default privileges #}
+{% for defacl, type in [
+    ('deftblacl', 'TABLES'), ('defseqacl', 'SEQUENCES'),
+    ('deffuncacl', 'FUNCTIONS'), ('deftypeacl', 'TYPES')]
+%}
+{% if data[defacl] %}{% set acl = data[defacl] %}
+{% if 'deleted' in acl %}
+{% for priv in acl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, type, priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in acl %}
+{% for priv in acl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, type, priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, type, priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in acl %}
+{% for priv in acl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, type, priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% endif %}
+{% endfor %}
+{# Change the security labels #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABEL.DROP(conn, 'SCHEMA', data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/allowed_privs.json
new file mode 100644
index 000000000..f7815078e
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/allowed_privs.json
@@ -0,0 +1,26 @@
+{# List of allowed privileges for PPAS 9.1 #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "SCHEMA",
+        "acl": ["C", "U"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/alter.sql
new file mode 100644
index 000000000..8d527d255
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/alter.sql
@@ -0,0 +1,35 @@
+{% import 'macros/security.macros' as SECLABEL %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{#  Alter the comment/description #}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ACL for the schema #}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+
+{# Default privileges on tables #}
+{% for defacl, type in [
+    ('deftblacl', 'TABLES'), ('defseqacl', 'SEQUENCES'),
+    ('deffuncacl', 'FUNCTIONS')]
+%}
+{% if data[defacl] %}{% set acl = data[defacl] %}
+{% for priv in data.deftblacl %}
+{{ DEFAULT_PRIVILEGE.SET(
+    conn, 'SCHEMA', data.name, type, priv.grantee,
+    priv.without_grant, priv.with_grant
+    ) }}{% endfor %}
+{% endif %}
+{% endfor %}
+
+{# Security Labels on schema #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% for r in data.seclabels %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/create.sql
new file mode 100644
index 000000000..d3598ac16
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/create.sql
@@ -0,0 +1,7 @@
+{% if data.name %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}{% if data.namespaceowner %}
+
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }}{% endif %};
+{% else %}
+{{ -- _('Incomplete definition') }}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/defacl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/defacl.sql
new file mode 100644
index 000000000..c2c10a3c3
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/defacl.sql
@@ -0,0 +1,39 @@
+SELECT
+    CASE (a.deftype)
+    WHEN 'r' THEN 'deftblacl'
+    WHEN 'S' THEN 'defseqacl'
+    WHEN 'f' THEN 'deffuncacl'
+    ELSE 'UNKNOWN - ' || a.deftype
+    END AS deftype,
+    COALESCE(gt.rolname, 'public') grantee, g.rolname grantor, array_agg(a.privilege_type) as privileges, array_agg(a.is_grantable) as grantable
+FROM
+    (SELECT
+        (acl).grantee as grantee, (acl).grantor AS grantor, (acl).is_grantable AS is_grantable,
+        CASE (acl).privilege_type
+        WHEN 'CONNECT' THEN 'c'
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'DELETE' THEN 'd'
+        WHEN 'EXECUTE' THEN 'X'
+        WHEN 'INSERT' THEN 'a'
+        WHEN 'REFERENCES' THEN 'x'
+        WHEN 'SELECT' THEN 'r'
+        WHEN 'TEMPORARY' THEN 'T'
+        WHEN 'TRIGGER' THEN 't'
+        WHEN 'TRUNCATE' THEN 'D'
+        WHEN 'UPDATE' THEN 'w'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (acl).privilege_type
+        END AS privilege_type,
+        defaclobjtype as deftype
+    FROM
+        (SELECT defaclobjtype, aclexplode(defaclacl) as acl
+            FROM
+                pg_namespace nsp
+                LEFT OUTER JOIN pg_catalog.pg_default_acl dacl ON (dacl.defaclnamespace = nsp.oid)
+            WHERE
+                nsp.oid={{scid}}::int
+        ) d) a
+    LEFT JOIN pg_catalog.pg_roles g ON (a.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (a.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname, a.deftype
+ORDER BY a.deftype;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/delete.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/delete.sql
new file mode 100644
index 000000000..74e9126da
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/delete.sql
@@ -0,0 +1 @@
+DROP SCHEMA {{ conn|qtIdent(name) }} {% if cascade %}CASCADE{%endif%};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..992b18c3b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/nodes.sql
new file mode 100644
index 000000000..7823f421e
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/nodes.sql
@@ -0,0 +1,21 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+    nsp.nspname as name,
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/oid.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/oid.sql
new file mode 100644
index 000000000..c5329b390
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/oid.sql
@@ -0,0 +1 @@
+SELECT nsp.oid FROM pg_namespace nsp WHERE nsp.nspname = {{ schema|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/properties.sql
new file mode 100644
index 000000000..17f268a3b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/properties.sql
@@ -0,0 +1,36 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    CASE
+    WHEN (nspname LIKE E'pg\\_temp\\_%') THEN 1
+    WHEN (nspname LIKE E'pg\\_%') THEN 0
+    ELSE 3 END AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    nsp.nspparent = 0 AND
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/update.sql
new file mode 100644
index 000000000..64f8e808e
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.1_plus/sql/update.sql
@@ -0,0 +1,125 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{% if data %}
+{### To update SCHEMA name ###}
+{% if data.name and data.name != o_data.name %}
+ALTER SCHEMA {{ conn|qtIdent(o_data.name) }}
+    RENAME TO {{ conn|qtIdent(data.name) }};
+
+{% endif %}
+{### To update SCHEMA owner ###}
+{% if data.namespaceowner and data.namespaceowner != o_data.namespaceowner %}
+ALTER SCHEMA {{ conn|qtIdent(data.name) }}
+    OWNER TO {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{### To update SCHEMA comments ###}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{### Change the security labels ###}
+{# The SQL generated below will change Security Label #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABLE.DROP(conn, 'SCHEMA', data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### Change the privileges ###}
+{% if data.nspacl %}
+{% if 'deleted' in data.nspacl %}
+{% for priv in data.nspacl.deleted %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.nspacl %}
+{% for priv in data.nspacl.changed %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.nspacl %}
+{% for priv in data.nspacl.added %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for tables ###}
+{% if data.deftblacl %}
+{% if 'deleted' in data.deftblacl %}
+{% for priv in data.deftblacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, 'TABLES', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.deftblacl %}
+{% for priv in data.deftblacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, 'TABLES', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'TABLES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.deftblacl %}
+{% for priv in data.deftblacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'TABLES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for sequences ###}
+{% if data.defseqacl %}
+{% if 'deleted' in data.defseqacl %}
+{% for priv in data.defseqacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.defseqacl %}
+{% for priv in data.defseqacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.defseqacl %}
+{% for priv in data.defseqacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for functions ###}
+{% if data.deffuncacl %}
+{% if 'deleted' in data.deffuncacl %}
+{% for priv in data.deffuncacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.deffuncacl %}
+{% for priv in data.deffuncacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.deffuncacl %}
+{% for priv in data.deffuncacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{###  End main if data ###}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/allowed_privs.json b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/allowed_privs.json
new file mode 100644
index 000000000..576f75953
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/allowed_privs.json
@@ -0,0 +1,30 @@
+{# List of allowed privileges for PPAS 9.2 or later #}
+{#
+    Format for allowed privileges is:
+    "acl_col": {
+        "type": "name",
+        "acl": [...]
+    }
+#}
+{
+    "nspacl": {
+        "type": "SCHEMA",
+        "acl": ["C", "U"]
+    },
+    "deftblacl": {
+        "type": "TABLE",
+        "acl": ["r", "a", "w", "d", "D", "x", "t"]
+    },
+    "defseqacl": {
+        "type": "SEQUENCE",
+        "acl": ["U", "r", "a"]
+    },
+    "deffuncacl": {
+        "type": "FUNCTION",
+        "acl": ["X"]
+    },
+    "deftypeacl": {
+        "type": "TYPE",
+        "acl": ["U"]
+    }
+}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/acl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/acl.sql
new file mode 100644
index 000000000..500212d5c
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/acl.sql
@@ -0,0 +1,23 @@
+{# Fetch privileges for schema #}
+SELECT
+    'nspacl' as deftype, COALESCE(gt.rolname, 'public') AS grantee,
+    g.rolname AS grantor, array_agg(b.privilege_type) AS privileges,
+    array_agg(b.is_grantable) AS grantable
+FROM
+    (SELECT
+        (d).grantee AS grantee, (d).grantor AS grantor,
+        (d).is_grantable AS is_grantable,
+        CASE (d).privilege_type
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (d).privilege_type
+        END AS privilege_type
+    FROM
+        (SELECT aclexplode(nsp.nspacl) as d
+        FROM pg_namespace nsp
+        WHERE nsp.oid = {{ scid|qtLiteral }}::OID
+        ) a
+    ) b
+    LEFT JOIN pg_catalog.pg_roles g ON (b.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (b.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/alter.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/alter.sql
new file mode 100644
index 000000000..6ca29228e
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/alter.sql
@@ -0,0 +1,35 @@
+{% import 'macros/security.macros' as SECLABEL %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{#  Alter the comment/description #}
+{% if data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{# ACL for the schema #}
+{% if data.nspacl %}
+{% for priv in data.nspacl %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}{% endfor %}
+{% endif %}
+
+{# Default privileges on tables #}
+{% for defacl, type in [
+    ('deftblacl', 'TABLES'), ('defseqacl', 'SEQUENCES'),
+    ('deffuncacl', 'FUNCTIONS'), ('deftypeacl', 'TYPES')]
+%}
+{% if data[defacl] %}{% set acl = data[defacl] %}
+{% for priv in data.deftblacl %}
+{{ DEFAULT_PRIVILEGE.SET(
+    conn, 'SCHEMA', data.name, type, priv.grantee,
+    priv.without_grant, priv.with_grant
+    ) }}{% endfor %}
+{% endif %}
+{% endfor %}
+
+{# Security Labels on schema #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% for r in data.seclabels %}
+{{ SECLABEL.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/create.sql
new file mode 100644
index 000000000..d3598ac16
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/create.sql
@@ -0,0 +1,7 @@
+{% if data.name %}
+CREATE SCHEMA {{ conn|qtIdent(data.name) }}{% if data.namespaceowner %}
+
+    AUTHORIZATION {{ conn|qtIdent(data.namespaceowner) }}{% endif %};
+{% else %}
+{{ -- _('Incomplete definition') }}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/defacl.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/defacl.sql
new file mode 100644
index 000000000..9c37a1d48
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/defacl.sql
@@ -0,0 +1,40 @@
+SELECT
+    CASE (a.deftype)
+    WHEN 'r' THEN 'deftblacl'
+    WHEN 'S' THEN 'defseqacl'
+    WHEN 'f' THEN 'deffuncacl'
+    WHEN 'T' THEN 'deftypeacl'
+    ELSE 'UNKNOWN - ' || a.deftype
+    END AS deftype,
+    COALESCE(gt.rolname, 'public') grantee, g.rolname grantor, array_agg(a.privilege_type) as privileges, array_agg(a.is_grantable) as grantable
+FROM
+    (SELECT
+        (acl).grantee as grantee, (acl).grantor AS grantor, (acl).is_grantable AS is_grantable,
+        CASE (acl).privilege_type
+        WHEN 'CONNECT' THEN 'c'
+        WHEN 'CREATE' THEN 'C'
+        WHEN 'DELETE' THEN 'd'
+        WHEN 'EXECUTE' THEN 'X'
+        WHEN 'INSERT' THEN 'a'
+        WHEN 'REFERENCES' THEN 'x'
+        WHEN 'SELECT' THEN 'r'
+        WHEN 'TEMPORARY' THEN 'T'
+        WHEN 'TRIGGER' THEN 't'
+        WHEN 'TRUNCATE' THEN 'D'
+        WHEN 'UPDATE' THEN 'w'
+        WHEN 'USAGE' THEN 'U'
+        ELSE 'UNKNOWN - ' || (acl).privilege_type
+        END AS privilege_type,
+        defaclobjtype as deftype
+    FROM
+        (SELECT defaclobjtype, aclexplode(defaclacl) as acl
+            FROM
+                pg_namespace nsp
+                LEFT OUTER JOIN pg_catalog.pg_default_acl dacl ON (dacl.defaclnamespace = nsp.oid)
+            WHERE
+                nsp.oid={{scid}}::int
+        ) d) a
+    LEFT JOIN pg_catalog.pg_roles g ON (a.grantor = g.oid)
+    LEFT JOIN pg_catalog.pg_roles gt ON (a.grantee = gt.oid)
+GROUP BY g.rolname, gt.rolname, a.deftype
+ORDER BY a.deftype;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/delete.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/delete.sql
new file mode 100644
index 000000000..74e9126da
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/delete.sql
@@ -0,0 +1 @@
+DROP SCHEMA {{ conn|qtIdent(name) }} {% if cascade %}CASCADE{%endif%};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/get_name.sql
new file mode 100644
index 000000000..3c5187dcf
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/get_name.sql
@@ -0,0 +1 @@
+SELECT nsp.nspname FROM pg_namespace nsp WHERE nsp.oid = {{ scid|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/is_catalog.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/is_catalog.sql
new file mode 100644
index 000000000..992b18c3b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/is_catalog.sql
@@ -0,0 +1,9 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.nspname as schema_name,
+    {{ CATALOGS.LIST('nsp') }} AS is_catalog,
+    {{ CATALOGS.DB_SUPPORT('nsp') }} AS db_support
+FROM
+    pg_catalog.pg_namespace nsp
+WHERE
+    nsp.oid = {{ scid|qtLiteral }}::OID;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/nodes.sql
new file mode 100644
index 000000000..7823f421e
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/nodes.sql
@@ -0,0 +1,21 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    nsp.oid,
+    nsp.nspname as name,
+    has_schema_privilege(nsp.oid, 'CREATE') as can_create,
+    has_schema_privilege(nsp.oid, 'USAGE') as has_usage
+FROM
+    pg_namespace nsp
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/oid.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/oid.sql
new file mode 100644
index 000000000..c5329b390
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/oid.sql
@@ -0,0 +1 @@
+SELECT nsp.oid FROM pg_namespace nsp WHERE nsp.nspname = {{ schema|qtLiteral }};
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/properties.sql
new file mode 100644
index 000000000..535498328
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/properties.sql
@@ -0,0 +1,37 @@
+{% import 'catalog/ppas/macros/catalogs.sql' as CATALOGS %}
+SELECT
+    CASE
+    WHEN (nspname LIKE E'pg\\_temp\\_%') THEN 1
+    WHEN (nspname LIKE E'pg\\_%') THEN 0
+    ELSE 3 END AS nsptyp,
+    nsp.nspname AS name,
+    nsp.oid,
+    array_to_string(nsp.nspacl::text[], ', ') as acl,
+    r.rolname AS namespaceowner, description,
+    has_schema_privilege(nsp.oid, 'CREATE') AS can_create,
+    CASE
+    WHEN nspname LIKE E'pg\\_%' THEN true
+    ELSE false END AS is_sys_object,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftblacl' AND defaclnamespace = nsp.oid) AS tblacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'defseqacl' AND defaclnamespace = nsp.oid) AS seqacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deffuncacl' AND defaclnamespace = nsp.oid) AS funcacl,
+    (SELECT array_to_string(defaclacl::text[], ', ') FROM pg_default_acl WHERE defaclobjtype = 'deftypeacl' AND defaclnamespace = nsp.oid) AS typeacl
+FROM
+    pg_namespace nsp
+    LEFT OUTER JOIN pg_description des ON
+        (des.objoid=nsp.oid AND des.classoid='pg_namespace'::regclass)
+    LEFT JOIN pg_roles r ON (r.oid = nsp.nspowner)
+WHERE
+    {% if scid %}
+    nsp.oid={{scid}}::int AND
+    {% else %}
+    {% if show_sysobj %}
+    nspname NOT LIKE E'pg\\_temp\\_%' AND
+    nspname NOT LIKE E'pg\\_toast\\_temp\\_%' AND
+    {% endif %}
+    {% endif %}
+    nsp.nspparent = 0 AND
+    NOT (
+{{ CATALOGS.LIST('nsp') }}
+    )
+ORDER BY 1, nspname;
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/update.sql
new file mode 100644
index 000000000..b74ec3381
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schema/ppas/9.2_plus/sql/update.sql
@@ -0,0 +1,145 @@
+{% import 'macros/security.macros' as SECLABLE %}
+{% import 'macros/privilege.macros' as PRIVILEGE %}
+{% import 'macros/default_privilege.macros' as DEFAULT_PRIVILEGE %}
+{% if data %}
+{### To update SCHEMA name ###}
+{% if data.name and data.name != o_data.name %}
+ALTER SCHEMA {{ conn|qtIdent(o_data.name) }}
+    RENAME TO {{ conn|qtIdent(data.name) }};
+
+{% endif %}
+{### To update SCHEMA owner ###}
+{% if data.namespaceowner and data.namespaceowner != o_data.namespaceowner %}
+ALTER SCHEMA {{ conn|qtIdent(data.name) }}
+    OWNER TO {{ conn|qtIdent(data.namespaceowner) }};
+
+{% endif %}
+{### To update SCHEMA comments ###}
+{% if data.description and data.description != o_data.description %}
+COMMENT ON SCHEMA {{ conn|qtIdent(data.name) }}
+    IS {{ data.description|qtLiteral }};
+
+{% endif %}
+{### Change the security labels ###}
+{# The SQL generated below will change Security Label #}
+{% if data.seclabels and data.seclabels|length > 0 %}
+{% set seclabels = data.seclabels %}
+{% if 'deleted' in seclabels and seclabels.deleted|length > 0 %}
+{% for r in seclabels.deleted %}
+{{ SECLABLE.DROP(conn, 'SCHEMA', data.name, r.provider) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in seclabels and seclabels.added|length > 0 %}
+{% for r in seclabels.added %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in seclabels and seclabels.changed|length > 0 %}
+{% for r in seclabels.changed %}
+{{ SECLABLE.APPLY(conn, 'SCHEMA', data.name, r.provider, r.security_label) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### Change the privileges ###}
+{% if data.nspacl %}
+{% if 'deleted' in data.nspacl %}
+{% for priv in data.nspacl.deleted %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.nspacl %}
+{% for priv in data.nspacl.changed %}
+{{ PRIVILEGE.RESETALL(conn, 'SCHEMA', priv.grantee, data.name) }}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.nspacl %}
+{% for priv in data.nspacl.added %}
+{{ PRIVILEGE.APPLY(conn, 'SCHEMA', priv.grantee, data.name, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for tables ###}
+{% if data.deftblacl %}
+{% if 'deleted' in data.deftblacl %}
+{% for priv in data.deftblacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, 'TABLES', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.deftblacl %}
+{% for priv in data.deftblacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn, 'SCHEMA', data.name, 'TABLES', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'TABLES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.deftblacl %}
+{% for priv in data.deftblacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'TABLES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for sequences ###}
+{% if data.defseqacl %}
+{% if 'deleted' in data.defseqacl %}
+{% for priv in data.defseqacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.defseqacl %}
+{% for priv in data.defseqacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.defseqacl %}
+{% for priv in data.defseqacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'SEQUENCES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for functions ###}
+{% if data.deffuncacl %}
+{% if 'deleted' in data.deffuncacl %}
+{% for priv in data.deffuncacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.deffuncacl %}
+{% for priv in data.deffuncacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.deffuncacl %}
+{% for priv in data.deffuncacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'FUNCTIONS', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{### To change default privileges for types ###}
+{% if data.deftypeacl %}
+{% if 'deleted' in data.deftypeacl %}
+{% for priv in data.deftypeacl.deleted %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'TYPES', priv.grantee) }}
+{% endfor %}
+{% endif %}
+{% if 'changed' in data.deftypeacl %}
+{% for priv in data.deftypeacl.changed %}
+{{ DEFAULT_PRIVILEGE.UNSET(conn,'SCHEMA', data.name, 'TYPES', priv.grantee) }}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'TYPES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+{% if 'added' in data.deftypeacl %}
+{% for priv in data.deftypeacl.added %}
+{{ DEFAULT_PRIVILEGE.SET(conn,'SCHEMA', data.name, 'TYPES', priv.grantee, priv.without_grant, priv.with_grant) }}
+{% endfor %}
+{% endif %}
+
+{% endif %}
+{###  End main if data ###}
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/utils.py b/web/pgadmin/browser/server_groups/servers/databases/schemas/utils.py
new file mode 100644
index 000000000..6f78af5e8
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/utils.py
@@ -0,0 +1,59 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2016, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+##########################################################################
+
+"""Schema collection node helper class"""
+
+from pgadmin.browser.collection import CollectionNodeModule
+
+
+class SchemaChildModule(CollectionNodeModule):
+    """
+    Base class for the schema child node.
+
+    Some of the node may be/may not be allowed in certain catalog nodes.
+    i.e.
+    Do not show the schema objects under pg_catalog, pgAgent, etc.
+
+    Looks at two parameters CATALOG_DB_SUPPORTED, SUPPORTED_SCHEMAS.
+
+    Schema child objects like catalog_objects are only supported for
+    'pg_catalog', and objects like 'jobs' & 'schedules' are only supported for
+    the 'pgagent' schema.
+
+    For catalog_objects, we should set:
+        CATALOG_DB_SUPPORTED = False
+        SUPPORTED_SCHEMAS = ['pg_catalog']
+
+    For jobs & schedules, we should set:
+        CATALOG_DB_SUPPORTED = False
+        SUPPORTED_SCHEMAS = ['pgagent']
+    """
+    CATALOG_DB_SUPPORTED = True
+    SUPPORTED_SCHEMAS = None
+
+    def BackendSupported(self, manager, **kwargs):
+        return (
+            (
+                kwargs['is_catalog'] and ((
+                    self.CATALOG_DB_SUPPORTED and kwargs['db_support']
+                ) or (
+                    not self.CATALOG_DB_SUPPORTED and
+                    not kwargs['db_support'] and
+                    (
+                        self.SUPPORTED_SCHEMAS is None or (
+                            kwargs['schema_name'] in self.SUPPORTED_SCHEMAS
+                        )
+                    )
+                ))
+            ) or (
+                not kwargs['is_catalog'] and self.CATALOG_DB_SUPPORTED
+            )
+        ) and CollectionNodeModule.BackendSupported(
+            self, manager, **kwargs
+        )