Docs: Update _index.md (#29546)

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Diana Payton 2021-01-19 12:04:34 -08:00 committed by GitHub
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title = "Variables types"
title = "Add variables"
weight = 140
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@ -17,4 +17,4 @@ Grafana uses several types of variables.
| Interval | Interval variables represent time spans. [Add an interval variable]({{< relref "add-interval-variable.md" >}}). |
| Ad hoc filters | Key/value filters that are automatically added to all metric queries for a data source (InfluxDB, Prometheus, and Elasticsearch only). [Add ad hoc filters]({{< relref "add-ad-hoc-filters.md" >}}). |
| Global variables | Built-in variables that can be used in expressions in the query editor. Refer to [Global variables]({{< relref "global-variables" >}}). |
| Chained variables | Variable queries can contain other variables. Refer to [Chained variables]({{< relref "chained-variables.md" >}}). |
| Chained variables | Variable queries can contain other variables. Refer to [Chained variables]({{< relref "chained-variables.md" >}}). |