The Perl Interface to MySQL
Applications written in Perl use a two-level interface to communicate with MySQL and other databases.
The DBI (database interface) is a generic programming interface. It is not MySQL-specific, and Perl and DBI can be used to interface with a wide range of databases.
There is a second database-specific level called DBD (database driver). For MySQL and mSQL, support is provided by a software package called Msql-MySQL-modules.
A simple example illustrates how DBI and DBD work. Suppose that a user is browsing a Web site, perhaps an online store that uses a database to hold its catalog. He clicks on a link to view a page of items in the catalog for which the Web server must go to the database, find out what's there, and ...
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