Visual query builder is represented with a list of tables that contain Jira.
The icon for Query Builder is situated below the Query Console:
Clicking on the query builder icon opens a new window with a working space, where you can build query:
Each table contains a legend inside. Clicking on it you will see the description:
The primary Key is the required field.
You can insert or item ID or JQL (depending what table you choose).
!!! JQL field: Please pay attention that single quotes '' are already taken into account
Here is the list of steps to build a query:
Choose table that you want to execute by clicking on it
Select interested columns