The mysql_dbi.pl file makes it possible to use WDB to interface to MySQL.
MySQL is available from http://www.tcx.se/.
You need Perl version 5.004 or later. Both the DBD::MySQL and MsqlPerl extensions are combined into the Mysql-modules package from Andreas Koenig and Jochen Wiedmann. You will need to use the DBD extension.
You can find information about Perl at: http://www.perl.com.
You can find out more about DBI and the DBD modules at: http://www.hermetica.com/technologia/perl/DBI/index.html.
Follow the normal WDB configuration instructions, with the following exceptions :
Included is also a MySQL version of mkfdf, called mysqlfdf, which will produce a working template FDF file given a database and table name.