查看MySQL版本的四种方法

[root@localhost lib]# mysql -V
mysql  Ver 15.1 Distrib 5.5.47-MariaDB, for Linux (x86_64) using readline 5.1

[root@localhost lib]# mysql --help | grep Distrib
mysql  Ver 15.1 Distrib 5.5.47-MariaDB, for Linux (x86_64) using readline 5.1

MariaDB [(none)]> select version();
+----------------+
| version()      |
+----------------+
| 5.5.47-MariaDB |
+----------------+
1 row in set (0.00 sec)

MariaDB [(none)]> status;
--------------
mysql  Ver 15.1 Distrib 5.5.47-MariaDB, for Linux (x86_64) using readline 5.1

Connection id:          4
Current database:
Current user:           root@localhost
SSL:                    Not in use
Current pager:          stdout
Using outfile:          ''
Using delimiter:        ;
Server:                 MariaDB
Server version:         5.5.47-MariaDB MariaDB Server
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:                 2 min 56 sec

Threads: 1  Questions: 12  Slow queries: 0  Opens: 0  Flush tables: 2  Open tables: 4  Queries per second avg: 0.068