dpkg -l |  grep mysql
ii  libdbd-mysql-perl                4.020-1build2                Perl5 database interface to the MySQL database
ii  libmysqlclient18                 5.5.43-0ubuntu0.12.04.1      MySQL database client library
ii  mysql-client-5.5                 5.5.43-0ubuntu0.12.04.1      MySQL database client binaries
ii  mysql-client-core-5.5            5.5.43-0ubuntu0.12.04.1      MySQL database core client binaries
ii  mysql-common                     5.5.43-0ubuntu0.12.04.1      MySQL database common files, e.g. /etc/mysql/my.cnf
iU  mysql-server                     5.5.43-0ubuntu0.12.04.1      MySQL database server (metapackage depending on the latest version)
iF  mysql-server-5.5                 5.5.43-0ubuntu0.12.04.1      MySQL database server binaries and system database setup
ii  mysql-server-core-5.5            5.5.43-0ubuntu0.12.04.1      MySQL database server binaries
ii  mysqltuner                       1.1.0                        high-performance MySQL tuning script