The outer PROC SQL query retrieves data from the view descriptor; the subquery uses a Pass-Through query to retrieve data. This query returns the names of employees who earn less than the average ...

PROC SQL allows a subquery (contained in parentheses) at any point in an expression where a simple column value or constant can be used. In this case, a subquery must return a single value, that is, ...

The ability to use SQL with Entity Framework Core has always been a cool feature. There's a new feature in Entity Framework Core that opens the door for whole new set of SQL-related functionality.