Chapter 20. Database Basics

In this chapter

Understanding Databases

Designing a Database

Introducing the Structured Query Language

Using the SELECT Statement

Using SQL Action Statements

Using DDL Statements

Storing SQL Statements in the Database

Troubleshooting Hints

Most business-oriented applications work with data in one form or another. We’re not talking about computer data like a loop counter variable, but actual business information, such as the number of units sold or customer name. For business data stored on a computer to be useful, you need a system that allows you to efficiently analyze and maintain it. A database management system (or database for short) is one way to store such data.

This is the first of four chapters in this book related ...

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