A.where 字段=值B.having 字段=值C.from 字段=值D.select 字段=值
A.create user ’stu001’@’192.168.1.100’B.create user stu001@%C.create user ’stu001’@’%’identified by ’123’D.create user ’stu001’@’192.168.1.100’identified by xxx;
A.create HrB.create database HrC.create database hrD.create database Hr charset utf-8