连接 Mysql

远程连接 < 使用 socket 连接 >

[root@dl-001 ~]# mysql -uroot -p'mysqldl991124' -S/tmp/mysql.sock
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.35 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, 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> quit
Bye

说明：-S：=socket，指定 socket（在配置文件 /etc/my.cnf 文件中即可查看 socket)。此方法只适用于本地连接，等同于“mysql -uroot -p123456”。

本机登录

[root@dl-001 ~]# mysql -uroot -p'mysqldl991124' -h127.0.0.1 -P3306    //-p 指定端口， -h本地ip进行登录
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.35 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, 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> 

登录的同时执行一条命令

[root@dl-001 ~]# mysql -uroot -p'mysqldl991124' -e 'show databases'	//登录并查看所有的库
Warning: Using a password on the command line interface can be insecure.
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+