【判断题】【消耗次数：1】
数据库中的数据发生变化，数据库的模式就改变了。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【简答题】
数据库设计包括数据库的[填空]和数据库的[填空]。
【简答题】
数据库[填空]机制用来确保数据库中的数据正确有效相容。
随机题目
【单选题】
23.They have considered their high standard of living a(n)____for practising their basic beliefs.
①
award
②
reward
③
result
④
consequence
【单选题】
21. If only I _____ the answer to your question.
①
knew
②
will know
③
know
④
can know
【单选题】
9. He must have got into your room ______ at night.
①
somewhat
②
somehow
③
however
④
whatever
【单选题】
4.After getting ____ in classroom activities, the student managed to overcome his shyness.
①
interested
②
bored
③
involved
④
to know
【单选题】
19._____ all this work and so little sleep at night, I don’t think I can go on much longer.
①
What about
②
What if
③
What with
④
What for
【单选题】
14. I’m confident that you are _______a good job at your new position.
①
able of doing
②
capable of doing
③
capable to do
④
able at doing
【单选题】
8.______ your request for a make-up test, we have referred the matter to the school authority.
①
For the purpose of
②
With regard to
③
In view of
④
In accordance with
【单选题】
30. Mary is ______ hardworking than her sister, but she failed in the exam.
①
no less
②
no more
③
not less
④
not so