HowTo ExpandQueryEditor

In its simplest form, the query editor is a single fill-in just under the table and field / index browser:

If you press the “Where” button (the most left button in the red rectangle) you can enter the extended query editor:

Here you can build a more extended version of your query. Alternatively, you can press ALT+CURSOR-DOWN / ALT+CURSOR-UP in the query fill-in to expand or collapse the extended query editor.