> For the complete documentation index, see [llms.txt](https://docs.parallels.com/landing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parallels.com/landing/ras-reporting-service-guide/creating-custom-reports/add-a-dataset.md).

# Add a Dataset

The next step is adding a data set, which will contain a SQL query that will retrieve the report data from the database.

To create a dataset:

1. In the Report Builder, right-click the **Datasets** folder in the left pane and then click **Add Dataset**.
2. In the **Dataset Properties** dialog, type a data set name and then select the **Use a dataset embedded in my report** option.
3. In the **Data source** field, select the data source that you [created earlier](file:///Users/anastasiasharapova/Downloads/Parallels-RAS-19-Reporting-Service-Guide/44900.htm).
4. In the **Query type** section, select **Text** to use an embedded SQL as your query and enter the sample query as shown on the screenshot above.
5. To test the query, click the **Query Designer** button. In the dialog that opens, click the exclamation sign icon (at the top) to run it. If the query is valid, you will see the result set.
6. Close the **Query Designer** dialog and then click **OK** to save the dataset.

**Note:** When you are ready to create queries for your own custom reports, please refer to [**RAS Reporting Database Schema**](/landing/ras-reporting-service-guide/ras-reporting-database-schema.md).


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