DEV Community

Astrid
Astrid

Posted on • Originally published at developerastrid.com

What is a SQL subquery and how to use it

This article describes what SQL subqueries are and how to use them. Subqueries are commonly used in the IN operator of the WHERE clause and to populate calculated columns.

Link to the original article: https://www.developerastrid.com/en/sql/sql-subqueries/

Top comments (0)