Linux命令
- 重启MySQL:service mysqld restart
- 关闭MySQL:service mysqld stop
- 开启MySQL:service mysqld start
- 修改密码:mysqladmin -u[用户名] -p[旧密码] password [新密码]
- 查看MySQL服务状态:service mysqld status
- 进入MySQL命令行:mysql -u[用户名] -p[密码] 或者 mysql -u[用户名] -p 回车后输入密码(更安全)
MySQL命令
- 查看配置项:show variables like ‘[配置项名称]’;
mysql> show variables like 'max_connections';
+-----------------+-------+
| Variable_name | Value |
+-----------------+-------+
| max_connections | 151 |
+-----------------+-------+
1 row in set (0.00 sec)
- 显示所有数据库: show databases;
- 显示所有连接数据库的进程:show processlist;