(单选题)
下列SQL语句中,能够实现“收回用户ZHAO对学生表(STUD)中学号(XH) 的修改权”这一功能的是()
AREVOKE UPDATE(XH) ON TABLE FROM ZHAO
BREVOKE UPDATE(XH) ON TABLE FROM PUBLIC
CREVOKE UPDATE(XH) ON STUD FROM ZHAO
DREVOKE UPDATE(XH) ON STUD FROM PUBLIC
正确答案
答案解析
略
AREVOKE UPDATE(XH) ON TABLE FROM ZHAO
BREVOKE UPDATE(XH) ON TABLE FROM PUBLIC
CREVOKE UPDATE(XH) ON STUD FROM ZHAO
DREVOKE UPDATE(XH) ON STUD FROM PUBLIC