mysql查看数据库操作记录

window 环境下

找到my.ini,在下面添加:
log=存放日志的路径/my.log
保存文件,重启mysql服务,之后就可以在对应目录的下找到my.log文件。

linux环境下

MySQL中的参数general_log用来控制开启、关闭MySQL查询日志,参数general_log_file用来控制查询日志的位置。所以如果你要判断MySQL数据库是否开启了查询日志,可以使用下面命令。general_log为ON表示开启查询日志,OFF表示关闭查询日志。

  mysql> show variables like '%general_log%';  +------------------+------------------------------+  | Variable_name    | Value                        |  +------------------+------------------------------+  | general_log      | OFF                          |  | general_log_file | /var/lib/mysql/DB-Server.log |  +------------------+------------------------------+  2 rows in set (0.00 sec)  

另外,MySQL的查询日志支持写入文件或写入数据表两种形式,这个由参数log_output控制,如下所示:

  mysql> show variables like 'log_output';  +---------------+-------+  | Variable_name | Value |  +---------------+-------+  | log_output    | FILE  |  +---------------+-------+  1 row in set (0.00 sec)    

开启MySQL查询日志

  mysql> set global general_log = on;  Query OK, 0 rows affected (0.11 sec)    mysql> show variables like 'general_log';  +---------------+-------+  | Variable_name | Value |  +---------------+-------+  | general_log   | ON    |  +---------------+-------+  1 row in set (0.02 sec)    

关闭MySQL查询日志

  mysql> show variables like 'general_log';  +---------------+-------+  | Variable_name | Value |  +---------------+-------+  | general_log   | ON    |  +---------------+-------+  1 row in set (0.01 sec)    mysql> set global general_log=off;  Query OK, 0 rows affected (0.01 sec)    mysql> show variables like 'general_log';  +---------------+-------+  | Variable_name | Value |  +---------------+-------+  | general_log   | OFF   |  +---------------+-------+  1 row in set (0.00 sec)    

设置日志输出方式为表

如果设置log_output=table的话,则日志结果会记录到名为gengera_log的表中,这表的默认引擎是CSV)。

  mysql> show variables like 'log_output';  +---------------+-------+  | Variable_name | Value |  +---------------+-------+  | log_output    | FILE  |  +---------------+-------+  1 row in set (0.00 sec)    mysql> set global log_output='table';  Query OK, 0 rows affected (0.00 sec)    mysql> show variables like 'log_output';  +---------------+-------+  | Variable_name | Value |  +---------------+-------+  | log_output    | TABLE |  +---------------+-------+  1 row in set (0.01 sec)    

查看查询日志信息。

  mysql> select * from mysql.general_log;  +---------------------+---------------------------+-----------+-----------+--------------+----------------------------------+  | event_time          | user_host                 | thread_id | server_id | command_type | argument                         |  +---------------------+---------------------------+-----------+-----------+--------------+----------------------------------+  | 2017-07-06 12:32:05 | root[root] @ localhost [] |         1 |         1 | Query        | show variables like 'general%'   |  | 2017-07-06 12:32:28 | root[root] @ localhost [] |         1 |         1 | Query        | show variables like 'log_output' |  | 2017-07-06 12:32:41 | root[root] @ localhost [] |         1 |         1 | Query        | select * from MyDB.test          |  | 2017-07-06 12:34:36 | [root] @ localhost []     |         3 |         1 | Connect      | root@localhost on                |  | 2017-07-06 12:34:36 | root[root] @ localhost [] |         3 |         1 | Query        | KILL QUERY 1                     |  | 2017-07-06 12:34:36 | root[root] @ localhost [] |         3 |         1 | Quit         |                                  |  | 2017-07-06 12:34:51 | root[root] @ localhost [] |         1 |         1 | Query        | select * from mysql.general_log  |  +---------------------+---------------------------+-----------+-----------+--------------+----------------------------------+  7 rows in set (0.02 sec)  

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