MySQL 服务常用操作命令

Posted 2020-11-18 qianchia

1、mysql 服务设置

• 在使用 mysql.server 命令之前需要将路径 /usr/local/mysql/support-files 添加到系统环境变量中。

  export PATH=$PATH:/usr/local/mysql/support-files

• 在使用 mysql 命令之前需要将路径 /usr/local/mysql/bin 添加到系统环境变量中。

  export PATH=$PATH:/usr/local/mysql/bin

• 具体设置请参照《添加系统环境变量》章节。

2、MySQL 服务常用操作

2.1 MySQL 服务控制命令

• MySQL 服务控制命令

  # 启动 MySQL 服务
  $ sudo mysql.server start
  
      Starting MySQL
      .. SUCCESS! 
  

  # 停止 MySQL 服务
  $ sudo mysql.server stop
  
      Shutting down MySQL
      .. SUCCESS! 

  # 重启 MySQL 服务
  $ sudo mysql.server restart
  
      Shutting down MySQL
      .. SUCCESS! 
      Starting MySQL
      .. SUCCESS! 

  # 重新加载
  $ sudo mysql.server reload
  
      SUCCESS! Reloading service MySQL

  # 强制重新加载
  $ sudo mysql.server force-reload
  
      SUCCESS! Reloading service MySQL

  # 查看 MySQL 服务状态
  $ mysql.server status
  
      ERROR! Multiple MySQL running but PID file could not be found (61998 62083 )

2.2 MySQL 服务连接命令

• MySQL 服务连接命令

  # 登录 MySQL 服务
  # mysql -u 用户名 -p 密码
  $ mysql -u root -p
  
      Enter password: 
      Welcome to the MySQL monitor.  Commands end with ; or g.
      Your MySQL connection id is 930
      Server version: 8.0.11 MySQL Community Server - GPL
  
      Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  
      Oracle is a registered trademark of Oracle Corporation and/or its
      affiliates. Other names may be trademarks of their respective
      owners.
  
      Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
  
      mysql> 

  # 登出 MySQL 服务
  > exit
  
      Bye