单项选择题
A.DROP*FROM KCB WHERE性别=“女”B.DROP FROM KCB WHERE性别=“女”C.DELETE FROM KCB WHERE性别=“女”D.DELETE*FROM KCB WHERE性别=“女”
A.性别B.姓名C.学号D.成绩
A.主表B.从表C.主表或者从表D.以上都不对