启动mysql服务的命令是
A. service mysql start
B. service mysql restart
C. service mysqld start
D. service mysqld restart
设置mysql服务器开机启动的命令是
A. chkconfig mysql on
B. chkconfig mysqld on
C. chkconfig mysql off
D. chkconfig mysqld off
mysql数据库的使用的端口号是
A. 21
B. 22
C. 23
D. 3306
将mysql数据的root用户密码设置为123456的命令是
A. mysqladmin -u root password '123456'
B. mysqladmin -u '123456' passwordroot
C. mysql -u root password '123456'
D. mysql -u'123456' passwordroot