Overview: This SQL script demonstrates the use of subqueries and nested queries in various clauses (SELECT, WHERE, FROM) using an Employees and Departments database.

Rewrite EXISTS in Nested Query OpenSearch SQL uses OpenSearch nested query to query the nested field. In OpenSearch domain, the nested query can filter the nested field based the query logic which is ...

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 ...