employees → This table stores employees id, name, salary, and department_id. departments → This table stores department id and name. Use scalar subqueries for single-value results. Use IN and EXISTS ...

There was an error while loading. Please reload this page. Task 6: Subqueries and Nested Queries Objective: Practice using scalar, correlated, and nested subqueries ...

Abstract: Expressing complex OLAP queries involving nested expressions using normal group-by, aggregation, and joins can be extremely difficult. We propose a technique that translates nested query ...