Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...

The EXISTS condition is an operator whose right operand is a subquery. The result of an ... is included in the output. Thus, the query returns all the employees from PROCLIB.PAYROLL who live in CT.