[!INCLUDESQL Server] You can use the results of one query as the input for another. You can use the results of a subquery as a statement that uses the IN( ) function, the EXISTS operator, or the FROM ...

In a correlated subquery, the WHERE expression in a subquery refers to values in a table in the outer query. The correlated subquery is evaluated for each row in the outer query. With correlated ...

Assignment Task: SQL Subquery Challenges. In this repository, you'll find SQL subquery exercises using two datasets: the Olympic dataset and the health insurance dataset. Before you begin, follow ...