Databases are used to store and retrieve data, and are commonly used
with mod_perl applications. In this section, we present the following
chapters:
Chapter 17 gives an introduction to the types of
databases that are available to mod_perl applications.
Chapter 18 covers techniques for sharing data
between processes that are unique to mod_perl.
Chapter 19 introduces you to DBM files and how
mod_perl interacts with them.
Chapter 20 shows you how to use
Apache::DBI to connect to relational databases
such as mysql.
