MySQL与宿主Linux之间交互式执行命令

• 在MySQL里面执行Linux的命令并返回结果

system commands

root@localhost 11:36:23> system cal
     March 2017     
Su Mo Tu We Th Fr Sa
          1  2  3  4
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26 27 28 29 30 31

root@localhost 11:36:29>

• 在Linux的bash环境下执行MySQL里面的命令并返回结果

mysql -u root -p123456 -e 'show grants for 'standby'@'localhost';'

[root@standby mysql]# mysql -u root -p123456 -e 'show grants for 'standby'@'localhost';'
+----------------------------------------------------------------------------------------------------------------+
| Grants for standby@localhost                                                                                   |
+----------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'standby'@'localhost' IDENTIFIED BY PASSWORD '*68400CF212112D85B99EB397ADCB27748218BFAE' |
| GRANT ALL PRIVILEGES ON `facebook`.* TO 'standby'@'localhost'                                                     |
+----------------------------------------------------------------------------------------------------------------+
[root@standby mysql]#