1 命令行模式登录MysqL
[root@localhost ~]# MysqL -uroot -p
Enter password:
Welcome to the MysqL monitor. Commands end with ; or \g.
Your MysqL connection id is 13
Server version: 5.7.12-5 Percona Server (GPL),Release 5,Revision a2f663a
copyright (c) 2009-2016 Percona LLC and/or its affiliates
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.
2 命令行下使用：status
MysqL> status;
--------------
MysqL Ver 14.14 distrib 5.7.12-5,for Linux (x86_64) using 6.2
Connection id: 13
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.7.12-5 Percona Server (GPL),Release 5,Revision a2f663a
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: latin1
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /var/lib/MysqL/MysqL.sock
Uptime: 14 days 4 hours 37 min 53 sec
Threads: 1 Questions: 64 Slow queries: 0 Opens: 97 Flush tables: 1 Open tables: 90 Queries per second avg: 0.000
--------------
3 使用系统函数：version()
MysqL> select version();
+-----------+
| version() |
+-----------+
| 5.7.12-5 |
+-----------+
1 row in set (0.03 sec)
4 MysqL --version
[root@localhost ~]# MysqL --version
MysqL Ver 14.14 distrib 5.7.12-5,for Linux (x86_64) using 6.2
5 包管理工具（根据不同系统 rh系列或bsd系列）
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