Controlling developers is like herding cats.
Kevin Loney, Oracle DBA Handbook

Oh no, it's not. It's much harder than that!
Bruce Pihlamae, long-term Oracle DBA

Do not assume!
Unknown IT specialist

Backups ist was für Warmduscher!
(engl. Backup is for sissies!)
Unkown DBA

Yesterday (the DBA version)

For a pure database system tuning please go first here: Database Health Check for MySQL.

See also MySQL Performance Tuning Primer.

This document is still under construction! Thus it is still a little chaotic. Please feel free to mail recommendations, suggestions, etc. to us.