$ sudo apt-cache search mysql-server
mysql-server - MySQL database server (metapackage depending on the latest version)
mysql-server-5.5 - MySQL database server binaries and system database setup
mysql-server-core-5.5 - MySQL database server binaries
auth2db - Powerful and eye-candy IDS logger, log viewer and alert generator
mariadb-server-5.5 - MariaDB database server binaries
mariadb-server-core-5.5 - MariaDB database core server files
mysql-server-5.6 - MySQL database server binaries and system database setup
mysql-server-core-5.6 - MySQL database server binaries
percona-xtradb-cluster-server-5.5 - Percona Server database server binaries
torrentflux - web based, feature-rich BitTorrent download manager