Subqueries and joins are powerful tools in SQL that allow you to combine data from different tables and filter results based on complex conditions. However, using them incorrectly or excessively ...

-- For the third and final task, Little Lemon need you to find all menu items for which more than 2 orders have been placed. -- You can carry out this task by creating a subquery that lists the menu ...

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, ...