01. 00:00 Add a subquery placeholder
In this step you add a subquery placeholder to the main query. This can receive the SQL code of anoher query
02. 01:35 Pass SQL query text as subquery
Copy an SQL text from another query designer or from anywhere and paste it into the subquery placeholder.
03. 02:25 Set alias name of the subquery
By default the name of the subquery is derivdtlb_1. You can change that to any friendly name.