How to enable MySQL Query Log?

There are tags for my.ini or my.cnf to enable the MySQL function that logs each SQL query statement received from clients and the time that query statement has submitted

How to enable MySQL Query Log?

Note: Remember that this log file can grow very large on a busy server and also this will slow down the performance of MySQL.

For mysql < 5.1.29:

To enable the query log, put this in /etc/my.cnf in the [mysqld] section

log   = /path/to/query.log

Also, to enable it from MySQL console

SET general_log = 1;

For mysql 5.1.29+

With mysql 5.1.29+ , the log option is deprecated. To specify the log file and enable logging, use this in my.cnf:

general_log_file = /path/to/query.log

general_log = 1

Alternately, to turn on logging from MySQL console (must also specify log file location somehow, or find the default location):

SET global general_log = 1;

You can disable or enable the general query log (which logs all queries) with

SET GLOBAL general_log = 1 # (or 0 to disable)


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