附:Mysql Doc: http://dev.mysql.com/doc/mysql/en/Log_Files.html Log FileTypes of Information Logged to File
The error log
Logs problems encountered starting, running, or stopping mysqld.
The isam log
Logs all changes to the ISAM tables. Used only for debugging the isam code.
The query log
Logs established client connections and executed statements.
The update log
Logs statements that change data. This log is deprecated.
The binary log
Logs all statements that change data. Also used for replication.
The slow log
Logs all queries that took more than long_query_time seconds to execute or didn''''t use indexes.
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