A.mysqld -uroot -pB.mysql -uroot -pC.mysqladmin -uroot -pD.mysqldump -uroot -p
A.1433B.8080C.443D.3306
A.create user ’stu001’@’localhost’B.create user stu001C.create user ’stu001’@’localhost’identified ’123’D.create user ’stu001’@’localhost’identified by xxx;