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1. Introduction

Chapter 1. Introduction

The subject of databases is a large and complex one, spanning many different concepts of structure, form, and expected use. There are also a multitude of different ways to access and manipulate the data stored within these databases.

This book describes and explains an interface called the Perl Database Interface, or DBI, which provides a unified interface for accessing data stored within many of these diverse database systems. The DBI allows you to write Perl code that accesses data without needing to worry about database- or platform-specific issues or proprietary interfaces.

We also take a look at non-DBI ways of storing, retrieving, and manipulating data with Perl, as there are occasions when the use of a database might be considered overkill but some form of structured data storage is required.


  

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