【判断题】【消耗次数：1】
把一个复杂的数据表,分离成多个不可再分的数据表，这些数据表之间必然存在关联关系，才不能失去数据原有的意义。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
在Visual FoxPro中，打开一个数据表文件的命令是
①
OPEN DATABASE数据表文件名
②
USE数据表文件名
③
OPEN数据表文件名
④
CREATE数据表文件名
随机题目
【单选题】
—It’s raining so heavily outside. I’m terribly anxious about my son’s safety. — .A. Well. He is a good boy.B. Yes, it is. It will rain tomorrow.C. Don’t worry about him. He will come back safe and sound.2. —Do you have much experience with caring for babies?
①
Well. He is a good boy.
②
Yes, it is. It will rain tomorrow.
③
Don’t worry about him. He will come back safe and sound.
【单选题】
Adictionarymaydefinegenetics_________simply“thescienceof thestudyof heredity”.
①
with
②
to
③
as
④
in
【单选题】
You are saying that everyone should be equal, and this is ____ I disagree.
①
why
②
where
③
what
④
when
【单选题】
— I drove to Zhuhai for the air show last week. — Is that ____ you had a few days off?
①
why
②
when
③
what
④
which
【单选题】
John asked me _______ to visit his uncle’s farm with him.
①
how would I like
②
if or not would I like
③
whether I would like
④
wehn I would like
【单选题】
—Thank you for your MP4 player. I’ll ask Mary to take it to you soon.—_____. I’ve bought a new one.
①
No sense
②
No hurry.
③
No way
④
sorry