Only users with the [organization administrator role]({{< relref "../administration/roles-and-permissions#organization-roles" >}}) can add or remove data sources.
To access data source management tools in Grafana as an administrator, navigate to **Configuration > Data Sources** in the Grafana sidebar.
For details on data source management, including instructions on how to add data sources and configure user permissions for queries, refer to the [administration documentation]({{< relref "../administration/data-source-management" >}}).
Each data source's **query editor** provides a customized user interface that helps you write queries that take advantage of its unique capabilities.
You use a data source's query editor when you create queries in [dashboard panels]({{< relref "../panels-visualizations/query-transform-data" >}}) or [Explore]({{< relref "../explore/" >}}).
Because of the differences between query languages, each data source query editor looks and functions differently.
Depending on your data source, the query editor might provide auto-completion features, metric names, variable suggestions, or a visual query-building interface.
For example, this video demonstrates the visual Prometheus query builder:
{{<vimeo720004179>}}
For general information about querying in Grafana, and common options and user interface elements across all query editors, refer to [Query and transform data]({{< relref "../panels-visualizations/query-transform-data/" >}}).
## Built-in core data sources
These built-in core data sources are included in the Grafana documentation:
