Best Practices for Database Administrators slides and links

slides in pdf form

cacti
nagios
rt

MySQL 5.0 manual
explain
show variables
show status
data types
procedure analyse()
mysqldumpslow's manual page says "Use mysqldumpslow --help to see the options that this command supports."

mysqlsla
mysqlreport
Maatkit, contains mk-query-profiler and mk-table-sync

mytop
innotop