The Query Fields tab contains the following main options with which to define query data and structure:
Drag-and-drop on Query Structure panels:
You can drag-and-drop items between options (for example, to group by Category Outcome, drag it from SELECT to GROUP BY. It stays in SELECT but is also used to GROUP BY).
Search shortcuts:
Common Conditions Editor (CCE):
The Query Editor, like other resource editors, uses the CCE for building conditional statements (query structure). For more tips on using the CCE, see Common Conditions Editor (CCE).