It is a holiday and no transactions are being performed on t

题目
单选题
It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()
A

cannot be used in RMAN

B

by starting up the database again

C

by using the CATALOG command of RMAN

D

by using the RECOVER CATALOG command in RMAN

E

by re-creating the target control file to rebuild the RMAN repository

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第1题:

对话理解

听力原文:M: The paper money required little effort to carry. If you need large amount of money, you can use a check or credit card to make the payment.

W: This nature of money is called portability and it provides convenience in settling transactions.

Q: What does the word portability mean?

(11)

A.It means being convenient to be carried.

B.It means being readily to be divided.

C.It means being easily identified.

D.It means being carried in a big basket.


正确答案:A
解析:portability意为“可携带,轻便”。纸币易于携带,但如果要携带大量的钱的话,最好是用信用卡。

第2题:

听力原文:Typical foreign exchange transactions involve trades of one currency for another in the spot or cash market, or forward transactions.

(3)

A.Forward transactions is not of typical foreign exchange transactions.

B.Typical foreign exchange transactions occur in the spot or cash market.

C.Forward transactions don't occur in the spot or cash market.

D.Typical foreign exchange transactions occur only in the spot market.


正确答案:B
解析:单句意思为“典型的外汇交易包括在即期或现货市场以一国货币换取另一国货币,或远 期交易”。

第3题:

You have overworked yourself.() a holiday to relax?

A、Why not to go on

B、Why don't go on

C、Why don't have

D、Why not go on


参考答案:D

第4题:

A transaction is an action,or a series of actions,carried out by a single user or( ),that accesses or changes the contents of the database.A transaction should possess the four basic or so-called ACID properties:Atomicity.The“all or nothing”property.A transaction is an( )unit that is either performed in its entirety or is not performed at all.Consistency.A transaction must transform the database from one consistent state to another consistent state.Isolation.Transactions execute independently of one another.In other words,the partial effects of( )transactions should not be visible to other transactions.Durability.The effects of a successfully completed(committed)transaction are permanently recorded in the database and must not be lost because of a subsequent failure.The four properties above,only(请作答此空)property is the responsibility of the concurrency control subsystem to ensure.It is the responsibility of both the( )and the application developers to ensure consistency.To guarantee the Atomicity and Durability properties after a failure,a log file is needed.

A.atomicity
B.consistency
C.isolation
D.durability

答案:B
解析:

第5题:

Being__________ of money, she managed to save enough for a holiday.

A. economic
B. economical
C. economics
D. economies

答案:B
解析:
考查形近词辨析。economics意为“经济学”,economies意为“经济”,economic意为“经济上的”,economical意为“节俭的,合算的.经济的”。根据句意“由于节俭,她设法存够了度假的钱”可知选B。

第6题:

I _____ to take a good holiday this year, but I wasn’t able to get away.

A hope

B have hoped

C had hoped

D hoped


参考答案:C

第7题:

I’ve been telling her time and again that we can’t ______ another holiday, but she won’t listen.

A. spend

B. save

C. afford

D. stress


答案:A

解析:A:spend,度过

B:save,节约

C:afford,支付得起

D:stress,强调

第8题:

From what I heard about their hotel and the terrible weather, they ( ) their holiday at all.

A、would have enjoyed

B、shouldn't have enjoyed

C、needn't have enjoyed

D、can’t have enjoyed


参考答案:D

第9题:

Being__________ of money, she managed to save enough for a holiday.

A.economic
B.economical
C.economics
D.economies

答案:B
解析:
考查形近词辨析。economics意为“经济学”,economies意为“经济”,economic意为“经济上的”,economical意为“节俭的,合算的.经济的”。根据句意“由于节俭,她设法存够了度假的钱”可知选B。

第10题:

A transaction is an action,or a series of actions,carried out by a single user or(请作答此空),that accesses or changes the contents of the database.A transaction should possess the four basic or so-called ACID properties:Atomicity.The“all or nothing”property.A transaction is an( )unit that is either performed in its entirety or is not performed at all.Consistency.A transaction must transform the database from one consistent state to another consistent state.Isolation.Transactions execute independently of one another.In other words,the partial effects of( )transactions should not be visible to other transactions.Durability.The effects of a successfully completed(committed)transaction are permanently recorded in the database and must not be lost because of a subsequent failure.The four properties above,only( )property is the responsibility of the concurrency control subsystem to ensure.It is the responsibility of both the( )and the application developers to ensure consistency.To guarantee the Atomicity and Durability properties after a failure,a log file is needed.

A.application developer
B.all users
C.application program
D.DBMS

答案:C
解析:

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