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Oracle SQL by Carol McCullough-Dieter, Gavin JT Powell

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1

Introduction to Oracle SQL

In this chapter:

  • Examine the history and evolution of data models and relational and Oracle Databases.

  • What is relational data modeling?

  • What is SQL?

  • What software do you need to have in order to use this book?

  • What are the tools for executing SQL?

  • Sample tables you use in the book

This chapter will examine data modeling, the origins of SQL, software requirements, plus SQL tools and how to use them. Finally, we will present the MUSIC schema, which is used throughout this book. Let’s begin with a little history.

1.1 A Little History

1.1.1 The Evolution of Database Modeling

The history of databases is essentially the history of different data modeling techniques. Data modeling techniques have evolved over the last ...

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