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MySQL实例管理器识别的命令_MySQL

时间:2021-07-01 10:21:17 帮助过:20人阅读

  一旦你已经为MySQL实例管理器设置了一个密码文件并且IM正在运行,你可以连接它。你可以使用mysql客户端工具通过标准MySQL API来连接。以下是MySQL实例管理器目前可以接收的命令的清单和例子。

?START INSTANCE

  该命令将试图启动一个实例:

mysql> START INSTANCE mysqld4;
Query OK, 0 rows affected (0,00 sec)
?STOP INSTANCE

  将试图停止一个实例:

mysql> STOP INSTANCE mysqld4;
Query OK, 0 rows affected (0,00 sec)
?SHOW INSTANCES

  显示所有载入的实例名:

mysql> show instances;
+---------------+---------+
| instance_name | status |
+---------------+---------+
| mysqld3    | offline |
| mysqld4    | online |
| mysqld2    | offline |
+---------------+---------+
3 rows in set (0,04 sec)
?SHOW INSTANCE STATUS

  显示选定的实例的状态和版本信息:

mysql> SHOW INSTANCE STATUS mysqld3;
+---------------+--------+---------+
| instance_name | status | version |
+---------------+--------+---------+
| mysqld3    | online | unknown |
+---------------+--------+---------+
1 row in set (0.00 sec)
?SHOW INSTANCE OPTIONS

  显示实例使用的选项:

mysql> SHOW INSTANCE OPTIONS mysqld3;
+-------------+--------------------------------------------------+
|option_name | value                      |
+-------------+--------------------------------------------------+
|instance_name| mysqld3                     |
|mysqld-path | /home/cps/mysql/trees/mysql-4.1/sql/mysqld    |
|port     | 3309                       |
|socket    | /tmp/mysql.sock3                 |
|pid-file   | hostname.pid3                  |
|datadir   | /home/cps/mysql_data/data_dir1/         |
|language   | /home/cps/mysql/trees/mysql-4.1/sql/share/english|
+-------------+--------------------------------------------------+
7 rows in set (0.01 sec)
?SHOW LOG FILES

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