Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Using a Pass-Through Query in a Subquery The next example shows how to use a subquery that contains a Pass-Through query. A subquery is a nested query and is usually part of a WHERE or HAVING clause.

Learn how to use the SQL subselect statement and handle your database like a pro! ... also called subqueries, ... UPDATE AlbumInfo SET album_tracks = ...