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【多选题】
抽样调查方式的优越性表现在以下几个方面( )
A.
费用少
B.
速度快
C.
灵活性大
D.
准确性高
E.
调查范围全面
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【单选题】You plan to control idle sessions that are blocking other sessions from performing transactions. Your requirement is to automatically terminate these blocking sessions when they remain idle for a spec...
A.
Set metric threshold
B.
Implement Database Resource Manager
C.
Enable resumable timeout for user sessions
D.
Add directives to Automatic Database Diagnostic Monitor (ADDM)
【单选题】Click the Exhibit button. In the exhibit, you decided to change myHosts addresses.What will happen to the new sessions matching the policy and in-progress sessions that had already matched the policy?...
A.
New sessions will be evaluated. In-progress sessions will be re-evaluated.
B.
New sessions will be evaluated. All in-progress sessions will continue.
C.
New sessions will be evaluated. All in-progress sessions will be dropped.
D.
New sessions will halt until all in-progress sessions are re-evaluated. In-progress sessions will be re-evaluated.
【简答题】如何获得当前的 sessions数?
【单选题】-Do you have any problems if you____ five minutes to read? -Well, I'm thinking about the new words. There are too many.
A.
give
B.
gave
C.
are given
D.
were given
【单选题】下图是一个存储器的简单模型-与或阵列图。请回答问题。【图片】围绕该存储器模型,请写出由【图片】、【图片】、【图片】、【图片】产生【图片】、【图片】、【图片】、【图片】、【图片】的逻辑表达式,书写不正确的是( )。
A.
= OR OR
B.
= OR = OR
C.
= OR OR
D.
= OR
【单选题】求解下列规划问题【图片】请选出该问题的最优解
A.
17
B.
14
C.
15
D.
20
【单选题】设double a=5.5,b=2.5;,则表达式(int)a+b/b的值是( )
A.
6.500000
B.
6
C.
5.500000
D.
6.000000
【单选题】听力原文:M: I heard you were thinking of applying for a job as a camp counselor. W: Yeah, Do you know if they need anyone at that place where you worked last summer? Q: What does the woman ask the man? (1...
A.
If he can help her fill out a job application.
B.
If he can introduce her to the camp counselor.
C.
If he knows of any job openings with his former employer.
D.
If he'll be returning to the camp where he worked last year.
【单选题】【25】
A.
stages
B.
periods
C.
years
D.
sessions
【简答题】If you were thinking of entering the ice-cream business, would you try to make ice cream that is just like one of the existing brands? Explain your decision using the ideas of this chapter.
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