13.2 链接mysql

链接mysql

• 本地链接——>即便没有指定，但默认使用sock链接，使用/tmp/mysql.sock链接
  • mysql -uroot -p123456 //输入用户名和密码链接本机
• 使用ip端口链接远程机器
  • mysql -uroot -p123456 -h[远程mysql主机IP] -P[端口]

[root@hf-01 ~]# mysql -uroot -phanfeng -h127.0.0.1 -P3306
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 8
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
[root@hf-01 ~]#

• 使用sock方式链接（只适合在本机使用）如为指定IP就用sock访问
  • mysql -uroot -p123456 -S/tmp/mysql.sock

[root@hf-01 ~]# mysql -uroot -phanfeng -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 9
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
[root@hf-01 ~]#

• 链接mysql以后执行命令（经常使用于shell脚本）
  • mysql -uroot -p123456 -e “show databases”
    • show databases //列出全部数据库

[root@hf-01 ~]# mysql -uroot -phanfeng -e 'show databases'
Warning: Using a password on the command line interface can be insecure.
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
[root@hf-01 ~]#