If you want to install some packages on Debian and don’t know names of packages you can search in packages cache.
For example if you want to see all packages related to MySQL:
root@hostname:~# apt-cache search mysql akonadi-backend-mysql - MySQL storage backend for Akonadi ampache-themes - Themes for Ampache aolserver4-nsmysql - AOLserver 4 module: module for accessing MySQL databases libapq3.2.0 - Pluggable Ada 95 Binding to various database systems (library) libapq3.2.0-dbg - Pluggable Ada 95 Binding to various database systems (debug) libapq3.2.0-dev - Pluggable Ada 95 Binding to various database systems (development) libaprutil1-dbd-mysql - Apache Portable Runtime Utility Library - MySQL Driver asterisk-mysql - MySQL database protocol support for the Asterisk PBX audiolink - makes managing and searching for music easier auth2db - Powerful and eye-candy IDS logger, log viewer and alert generator auth2db-common - Common configuration files for Auth2db backend and web frontend auth2db-filters - Auth2db defaults filters pack auth2db-frontend - Web frontend view for auth2DB log engine automysqlbackup - daily, weekly and monthly backup for your MySQL database autopostgresqlbackup - Automated tool to make periodic backups of PostgreSQL databases backup-manager - command-line backup tool backupninja - lightweight, extensible meta-backup system bacula-common-mysql - network backup service - MySQL common files bacula-common-mysql-dbg - network backup service - MySQL common files (debugging) bacula-director-mysql - network backup service - MySQL storage for Director ... root@hostname:~#