How to enable the query log in MySQL

Wednesday, September 30, 2009 posted by Till

To debug applications which use a mysql database, it comes in handy to enable the query log to get all SQL queries that were sent to the database.  Open the MySQL configuration file (my.cnf)

vi /etc/mysql/my.cnf

and add the line:


in the [mysql] section of the file. Depending on the Linux distribution that you use, the my.cnf file can be /etc/my.cnf or /etc/mysql/my.cnf.

Afterwards restart mysql to apply the new the configuration:

/etc/init.d/mysql restart

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2 Responses to “How to enable the query log in MySQL”

  1. Salva says:

    I had a problem with the query.log file, its increasing its size but in my.cnf cant find a line with this file to log the querys. Is some other place where i can find mysql configuration? thanks

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