Hi,

sometimes I run a query with LEFT JOIN on a big table and that causes 100% CPU usage on our windows 2003 server. during that nobody has access to the server (very very very slow), even when I wanted to kill MySQL process, it took about 5 min.s just to show the task manager window. after 20 minutes I had to reset the server.

How can I set MySQL not to lock the server? where the server doesn't response then I can't use "KILL <process>" command or like that. so as a administrator, when a user run a bad query and locks the server, what you do?

thanks


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