MySQL is an open source database, famous and well know.

Moreover, MySQL is an open-source relational database. In a nutshell, for those unfamiliar with it: A database is where an application keeps its stuff.

Installation of MySQL for debian 5:

http://articles.slicehost.com/2011/3/10/installing-mysql-server-on-debian

frenzy:~# /etc/init.d/mysql start
Starting MySQL database server: mysqld.
Checking for corrupt, not cleanly closed and upgrade needing tables..

I found this link : http://www.2by2host.com/articles/corrupt-not-cleanly-closed-upgrade-needing-table

*Where are my data located ?*

• cat /etc/mysql/my.cnf
• /var/lib/mysql

Show all the process for the current user when not logged as root.

show processlist;