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题目内容
（国家开放大学数据库运维）
以下哪个命令是使用超级管理员身份创建普通账户（ ）
A．create user username@localhost identified by 123456
B. create user ‘username’@ ‘localhost’ identified by 123456
C. create user username@localhost identified by ‘123456’
D. create user ‘username’@‘localhost’ identified by ‘123456’
A．create user username@localhost identified by 123456
B. create user ‘username’@ ‘localhost’ identified by 123456
C. create user username@localhost identified by ‘123456’
D. create user ‘username’@‘localhost’ identified by ‘123456’
参考答案