dpkg -l | grep mysql
ii  akonadi-backend-mysql                 1.9.1-0ubuntu1                            all          MySQL storage backend for Akonadi
ii  libdbd-mysql-perl                     4.021-1                                   amd64        Perl5 database interface to the MySQL database
ii  libmysqlclient18:amd64                5.5.32-0ubuntu0.13.04.2                   amd64        MySQL database client library
ii  libmysqlclient18:i386                 5.5.32-0ubuntu0.13.04.2                   i386         MySQL database client library
ii  libqt4-sql-mysql:amd64                4:4.8.4+dfsg-0ubuntu9.2                   amd64        Qt 4 MySQL database driver
ii  libqt4-sql-mysql:i386                 4:4.8.4+dfsg-0ubuntu9.2                   i386         Qt 4 MySQL database driver
ii  mysql-client                          5.5.32-0ubuntu0.13.04.2                   all          MySQL database client (metapackage depending on the latest version)
ii  mysql-client-5.5                      5.5.32-0ubuntu0.13.04.2                   amd64        MySQL database client binaries
ii  mysql-client-core-5.5                 5.5.32-0ubuntu0.13.04.2                   amd64        MySQL database core client binaries
ii  mysql-common                          5.5.32-0ubuntu0.13.04.2                   all          MySQL database common files, e.g. /etc/mysql/my.cnf
rc  mysql-server-5.5                      5.5.32-0ubuntu0.13.04.2                   amd64        MySQL database server binaries and system database setup
ii  mysql-server-core-5.5                 5.5.32-0ubuntu0.13.04.2                   amd64        MySQL database server binaries
ii  php5-mysql                            5.4.9-4ubuntu2.2                          amd64        MySQL module for php5