SQL: A Beginner's Guide, Fourth Edition, 4th Edition

Chapter 7

Querying SQL Data

Key Skills & Concepts

    Use a SELECT Statement to Retrieve Data

    Use the WHERE Clause to Define Search Conditions

    Use the GROUP BY Clause to Group Query Results

    Use the HAVING Clause to Specify Group Search Conditions

    Use the ORDER BY Clause to Sort Query Results

 

Once the objects in a database have been ...