Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Normalized data giving you problems? Learn how to use the SQL subselect statement and handle your database like a pro! Do you ever find yourself juggling queries to get the information you need?

PROC SQL allows you to specify the ORDER BY clause in the CREATE VIEW statement. Every time a view is accessed, its data are sorted and displayed as specified by the ORDER BY clause. This sorting on ...

A window is defined using the OVER() clause in SQL. Functions are predefined in SQL and you use them to perform operations on data.

Because the SQL procedure is based on the Structured Query Language, it works somewhat differently than some SAS procedures. For example, the SQL procedure executes without a RUN statement when a ...