Ultimate SQL How-To Guide

There's a lot you can do with SQL once you know the basic statements.

In this PDF guide, you'll learn how you can use SQL to perform 20 different common tasks when working with data, such as:

• Find and delete duplicate rows
• Compare data between two tables or two query results
• Generate running totals, subtotals
• And much more...

A sample data set link is included, and queries are provided for Oracle, SQL Server, MySQL, and Postgres.