Chapter 2. SQL: The Basics
Now that you are familiar with the concepts of databases and schema diagrams, you are ready to start with hands-on exercises. In this chapter, you will learn the basics of the SQL language and use SQL Developer and SQL*Plus, two Oracle provided software tools that allow you to execute statements against the Oracle database.
SQL statements can range from very simple to highly complex; they can be a few words long or a few hundred words long. In this chapter, you begin by writing simple SQL statements, but you will be able to build longer, more ...
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