Which of the following are valid until command options when attempting point-in-time recovery in RMAN？（）A、 until timeB、 until changeC、 until sequenceD、 until SCNE、 until commit

题目

Which of the following are valid until command options when attempting point-in-time recovery in RMAN？（）

A、 until time
B、 until change
C、 until sequence
D、 until SCN
E、 until commit

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相似问题和答案

第1题：

在VBScript语言中，循环语句Do while|Do until的差别是( )。

A．While和Until的差别在于，While是在条件表达式为True时，循环才会进行；而 Until则刚好相反

B．While和Until的差别在于，Until是在条件表达式为True时，循环才会进行；而 While则刚好相反

C．While和Until的差别在于，While多执行循环一次

D．While和Until的差别在于，Until多执行循环一次

正确答案：A

第2题：

在rman中,哪些recover database …until语法是正确的? ()

A. ..until cancel

B. ..until time

C. .. until scn

D. ..until change

E. ..until sequence

F. 以上都正确

参考答案BCD

第3题：

It was_____back home after the test.

A、not until midnight did he go.

B、until midnight that he didn’t go.

C、not until midnight that he went.

D、until midnight when he didn’t go.

参考答案：C

第4题：

When you are performing media recover， and an archived log is lost or corrupt， which type of recover must you perform？（）

A、Until SCN
B、Until time
C、Until cancel
D、Recover using backup control file.

正确答案:C

第5题：

It( )we had stayed together for a couple of weeks( )I found we had a lot in common.

A.was until；when
B.was until；that
C.wasn’t；when
D.wasn’t until；that

答案：D

解析：

考查强调句型。强调句糅合了not ...until 的结构，强调的部分是we had stayed together for a couple of weeks，后面填that。故本题选D。句意：我们在一起待了几周，我才发现我们有很多相同之处。

第6题：

It was _____ last year ______ he came to realize the importance of learning English.

A、until ; before

B、that ; until

C、until ; that

D、before ; until

正确答案：C

第7题：

It was a magic night until the spell was broken.

A:time
B:charm
C:space
D:opportunity

答案：B

解析：

本句意思：那是一个魔幻般的夜晚，直至魔咒被打破。spell咒语，符咒，魔咒。time时间，时代；charm魔咒；space空间，太空；opportunity机会，机遇。

第8题：

____ the forties ____ the first fully automatic factory was built in the world.

A.It was not until ...then

B.It was not until ...that

C.It was until ...that

D.It was not until ...when

答案：B

第9题：

Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? （）

A、restore datafiles until time '09/28/2008:21:03:11'
B、restore database files until time '09/28/2008:18:00:00'
C、restore database until time '09/28/2008:18:00:00'
D、recover database until time '09/28/2008:18:00:00'
E、recover database until timestamp '09/28/2008:18:00:00'

正确答案:C

第10题：

You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning， you find that an important table has been dropped and purged. With reference to this scenario， up to what point in time can the data be recovered？（）

A、 until Thursday morning
B、 until that point in time when the database is opened
C、 until that point in time when the recovery is performed
D、 until last Sunday’s backup
E、 until that point in time when the table is dropped and purged
F、 until Wednesday evening

正确答案:D

Which of the following are valid until command options when attempting point-in-time recovery in RMAN？（）A、 until timeB、 until changeC、 until sequenceD、 until SCNE、 until commit

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