13.2 鏈接mysql

鏈接mysql

• 本地鏈接——>即便沒有指定，但默認使用sock鏈接，使用/tmp/mysql.sock鏈接
  • mysql -uroot -p123456 //輸入用戶名和密碼鏈接本機
• 使用ip端口鏈接遠程機器
  • mysql -uroot -p123456 -h[遠程mysql主機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方式鏈接（只適合在本機使用）如爲指定IP就用sock訪問
  • 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 ~]#

• 鏈接mysql以後執行命令（經常使用於shell腳本）
  • mysql -uroot -p123456 -e 「show databases」
    • show databases //列出全部數據庫

[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 ~]#