mariadb : An enhanced, drop-in replacement for MySQL ( http://mariadb.org/ )
mariadb-connector-c : C client library for MariaDB/MySQL ( http://mariadb.org/ )
mysql : A fast, multi-threaded, multi-user SQL database server ( https://www.mysql.com/ )
mysql-cluster : A fast, multi-threaded, multi-user SQL database server ( https://www.mysql.com/ )
mysql-init-scripts : Gentoo MySQL init scripts. ( https://www.gentoo.org/ )
mysql-utilities : Set of command-line utilities for common MySQL tasks ( http://dev.mysql.com/doc/mysql-utilities/ )
percona-server : An enhanced, drop-in replacement for MySQL from the Percona team ( https://www.percona.com/software/percona-server )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a mysql
For Paludis use this rsync : rsync://gentoo.zugaina.org/mysql-portage
If you have a problem : ycarus(-at-)zugaina.org