SQL语言中，删除一个表中所有数据，但保留表结构的命令是（)。

A.DELETE

B.DROP

C.CLEAR

D.REMORVE

A．DELETE

B．DVROP

C．CLEAR

D．RDEMOVE

A、DELETE

B、DROP

C、CLEAR

D、REMOVE

A.A.DROP TABLE employe

B.B.DELETEF ROM employe

C.C.DROP TABLE employee KEEP STRUCTUR

D.D.DELETE FROM employeeKEEP STRUCTUR

E.E.

A.MODIFYTABLE

B.MODIFYSTRUCTURE

C.ALTERTABLE

D.ALTERSTRUCTURE

A.基本表

B.视图

C.基本表和视图

D.基本表或视图

A.DROPTABLE

B.DELETETABLE

C.DELETEDBF

D.REMOVEDBF