To get to the query editor, either click on Create – New Query or click on an existing query (like the ones you found in the previous paragraph).
Let's look at an overview of all the components of the query editor:

- Metadata: This is the Query name, Tags, and Star (indicator of Favourite query).
- Data source selector: Here, we choose where the query takes the data from (refer to chapter on Data Sources, for more detail).
- Schema browser: This displays all the tables in the selected Data Source. The schema auto-refreshes periodically in the background, unless the user explicitly clicks on the refresh schema button. When ...