The following Perl program, which hardly deserves the name program, prints a list of all installed DBI drivers. DBI is he standard database interface module for Perl.
use strict; use warnings; use DBI; print map "$_\n", DBI->available_drivers;
Example output of the program:
DBM ExampleP File Proxy Sponge mysql
If the driver you require is not installed, use CPAN to find the right DBD (database driver) module.