Tail MySQL log on windows by using Tail4win

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If you want to monitor MySQL log on windows, you need config your my.ini file first.

The error log, information written to log: Problems encountered starting, running, or stopping mysqld.
Like this:
Add "log-error=D:\Program Files\MySQL\MySQL Server 5.0\data\error.log" to my.ini, then information will be written to "D:\Program Files\MySQL\MySQL Server 5.0\data\error.log"

The general query log, information written to log: Established client connections and statements received from clients.
Like this:
Add "log=D:\Program Files\MySQL\MySQL Server 5.0\data\mysql.log" to my.ini, then information will be written to "D:\Program Files\MySQL\MySQL Server 5.0\data\mysql.log"

The binary log, information written to log: All statements that change data (also used for replication).
Like this:
Add "log-bin=D:\Program Files\MySQL\MySQL Server 5.0\data\mysql-bin.log" to my.ini, then information will be written to "D:\Program Files\MySQL\MySQL Server 5.0\data\mysql-bin.log"

The slow query log, information written to log: All queries that took more than long_query_time seconds to execute or didn't use indexes.
Add this two lines to my.ini:

long_query_time=2
log-slow-queries=D:\Program Files\MySQL\MySQL Server 5.0\data\slowquery.log

then information will be written to "D:\Program Files\MySQL\MySQL Server 5.0\data\slowquery.log"

You can use Tail4win to monitor log file.

tail mysql log on windows