@@ -35,6 +35,14 @@ The following data sources are officially supported:
*[Prometheus]({{<relref"prometheus.md">}})
*[Testdata]({{<relref"testdata.md">}})
In addition to the data sources that you have configured in your Grafana, there are three special data sources available:
-**Grafana -** A built-in data source that generates random walk data. Useful for testing visualizations and running experiments.
-**Mixed -** Select this to query multiple data sources in the same panel. When this data source is selected, Grafana allows you to select a data source for every new query that you add.
* The first query will use the data source that was selected before you selected **Mixed**.
* You cannot change an existing query to use the Mixed Data Source.
-**Dashboard -** Select this to use a result set from another panel in the same dashboard.
## Data source plugins
Since Grafana 3.0 you can install data sources as plugins. Check out [Grafana.com/plugins](https://grafana.com/plugins) for more data sources.