Not much new this time: just summary of part 3 published and fixed mistake in chapter 10 (thanks, Shane!).


In the third part we discussed methods of application debugging in cases when query plays secondary role in the problem.

I'd like to bring your attention we only discussed most frequent cases while MySQL server has a lot of parameters which of them can affect application. Analyze parameters which you use. One of the methods is run problematic query using MySQL server running with option --no-defaults and examine if results are different for MySQL server run with parameter which you use. If results are different analyze why parameter affects it and solve the problem.


Rest of the chapter is here.

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