数据库指令

1.启动命令   [ root@localhost src]# systemctl start mariadb
2.重启命令   [ root@localhost src]# systemctl restart mariadb
3.关闭命令   [ root@localhost src ]# systemctl stopmariadb

4.设定开机自起[root@localhost src ]# systemctl enable mariadb

5.关闭开机自起[root@localhost src]# systemctl disable mariadb