当事务中的一部分操作失败时，整个事务应全部视为错误，事务对数据库所做的任何改变必须撤销，这称为 【14】 。
参考答案：回滚
药品出库必须进行
A．复核
B．质量核对
C．抽查检验
D．化验
E．复核和质量检查
The locker will（）as long as your ship is here.
A.Be kept sealed
B.Be released from being sealed
C.Be kept signed
D.Be released from being signed
