DBIx::Password
Allows creation of a global password file for DB passwords. http://tangent.org/index.pl?node_id=420
MSSQL::DBlib & MSSQL::Sqllib
Two Perl classes for accessing Microsoft SQL Server from Perl from MS Windows only. http://www.algonet.se/~sommar/mssqlperl/
The Poop Scoop
A review of the various modules available for Perl Object-Oriented Persistence (POOP), including RDBMS-OO mappers. http://poop.sourceforge.net/
Survey of DBI Wrappers
Reviews and tabulates the features for many of the DBI wrapper modules available on CPAN. http://search.cpan.org/dist/DBIx-SQLEngine/SQLEngine/Docs/Related.pod
DBIx::Browse
Designed to facilitate the browsing (INSERT, UPDATE and DELETE) of related database tables. With demonstration. http://dbix-browse.sourceforge.net/
DBIWrapper
Designed to facilitate easier access to databases using DBI. High level methods for reading, writing, committing and rolling back transactions are provided. http://dbiwrapper.sourceforge.net/
Class::DBI
Provides a convenient abstraction layer to a database. http://www.class-dbi.com/
CPAN: Database Interfaces
Listing of modules and their corresponding documentation. http://search.cpan.org/modlist/Database_Interfaces
DBD::MySQL
Basic abstraction layer for working with databases in Perl, a driver for using MySQL with DBI and a pure-Perl implementation of the MySQL client-server protocol. http://www.mysql.com/downloads/api-dbi.html
DBI.pm
A Perl module used for the connection, retrieval and storage of data from various database applications. http://www.rrz.uni-hamburg.de/RRZ/Software/DBI.pm/DBI.pm.html
Butler.pm
A Perl module that enables Perl scripts to access the Butler SQL database. Currently, this only works on Macs, so this will only be useful with MacPerl. http://remus.rutgers.edu/~petechen/Butler/Butlerpm.html
The Computer Science Directory currently has categories, which include links along with indexed pages.