OCA Oracle Database 12c SQL Fundamentals I Exam Guide (Exam 1Z0-061), 2nd Edition

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CERTIFICATION OBJECTIVES

7.01 Write SELECT Statements to Access Data from More Than One Table Using Equijoins and Nonequijoins

7.02 Join a Table to Itself Using a Self-Join

7.03 View Data that Does Not Meet a Join Condition Using Outer Joins

7.04 Generate a Cartesian Product of Two or More Tables

Two-Minute Drill

Q&A Self Test

The three pillars of relational theory are selection, projection, and joining. This chapter focuses on the practical implementation of joining. Rows from different tables are associated with each other using ...

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