I work for a webhost as a diagnostic tech. Mostly I reset passwords, remove accidental firewall blocks, that sorta thing. Often I have to diagnose harder issues like why httpd or named crashed, "email problems" (which is always fun to figure out what that actually means), but I always get stuck on mysqld crashes and/or hangups.
That said does anyone have good references/crash courses for sql and related topics that would help me catch up in this area?
Thanks in advance!
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