【单选题】【消耗次数：1】
在将局部E-R图合并为全局E-R图时，可能会产生一些冲突。下列冲突中不属于合并E-R图冲突的是（ ）。
①
结构冲突
②
语法冲突
③
属性冲突
④
命名冲突
参考答案：
复制
纠错
相关题目
【简答题】
在数据库概念结构设计中，各分E-R模型之间的冲突主要有：属性冲突、[填空]和结构冲突。
随机题目
【单选题】
In all his songs the great composer expresses a longing ________ his own country.
①
of
②
abou
③
for
④
to
【单选题】
It’s ___________ to see these tiny children play the piano so beautifully.
①
amaze
②
amazingly
③
amazed
④
amazing
【单选题】
I should think they have done it ________, to avoid paying you the money.
①
with purpose
②
on purpose
③
in purpose
④
to purpose
【单选题】
It is a huge task to ______ all the rooms in the building in such a short time.
①
go ahead with
②
keep up
③
clean up
④
work out
【单选题】
It is common knowledge that dogs have a _______ sense of smell.
①
thoughtful
②
slim
③
keen
④
absorbed
【单选题】
The old lady was _______ to the young man who helped her find her lost generation.
①
touched
②
cheerful
③
gratefu
④
generous
【单选题】
Helen lacks ______ . I’ve never known anyone so unsure of herself.
①
character
②
balance
③
approach
④
confidence
【单选题】
Don’t hesitate ______ for help if you have any problem meeting the schedule.
①
to ask
②
asked
③
asking
④
to be asked
【单选题】
Read the book carefully __________ you’ll find lots of information related to our research.
①
if
②
and
③
so
④
or
【单选题】
Our manager is so __________ in his thinking, he never listens to new ideas.
①
rigid
②
tedious
③
boring
④
vivid