=head1 APPENDIX 2: USING POSTGRESQL AND MYSQL
The main database used in this tutorial is the very simple yet powerful
-SQLite. This section provides information that can be used to "convert"
-the tutorial to use PostgreSQL and MySQL. However, note that part of
+L<SQLite|http://www.sqlite.org>. This section provides information
+that can be used to "convert" the tutorial to use
+L<PostgreSQL|http://www.postgresql.org> and
+L<MySQL|http://dev.mysql.com>. However, note that part of
the beauty of the MVC architecture is that very little database-specific
code is spread throughout the system (at least when MVC is "done
right"). Consequently, converting from one database to another is