【判断题】【消耗次数：1】
触发器就其本质而言是一种特殊的存储过程。存储过程和触发器在数据库的开发中，在维护 数据库实体完整性等方面具有不可替代的作用
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正确
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错误
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相关题目
【简答题】
什么是数据库完整性，关系数据库的数据库完整性主要有哪些？
随机题目
【单选题】
— The old man wouldn’ t stay at home for a rest even if it
rained.
—_____. He would feel sick if he stayed home for one day.
①
So would my grandpa
②
So wouldn’ t my grandpa
③
Neither would my grandpa
④
Nor wouldn’ t my grandpa
【单选题】
The dispute is ____ to be settled for a long time to come.
①
uncertain
②
susceptible
③
impossible
④
unlikely
【单选题】
I cannot read your writing. It is ____.
①
legible
②
illegible
③
eligible
④
intelligent
【单选题】
I caught a____ of the car before it disappeared around the
bend.
①
glance
②
glimpse
③
look
④
see
【单选题】
Unless all the members agree to ____ to the plan there may be further development in the course of action.
①
tumble
②
stick
③
come
④
adjust
【单选题】
It was the driver’s ____ that caused him to step on the gas instead of the brake after his car went over the curb.
①
fraud
②
alarm
③
terror
④
panic
【单选题】
The earnings of women are well below that of men ____ educational differences that are diminishing between the two sexes.
①
although
②
though
③
despite of
④
in spite of
【单选题】
As he had heart attack, he was told that he_____ continue
the work.
①
needn’ t
②
may not
③
mustn’ t
④
can’ t