8
Displaying Data from Multiple Tables
CERTIFICATION OBJECTIVES
8.01 Describe the Different Types of Joins and Their Features
8.03 Join a Table to Itself by Using a Self-Join
8.04 View Data That Generally Does Not Meet a Join Condition by Using Outer Joins
This chapter reviews various types of joins. A join is a SELECT statement that retrieves data from two or more tables and connects that data to return a merged set of rows. To accomplish the join, the SELECT statement specifies ...
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