What are the prerequisites for performing flashback transactions? （）(Choose all that apply)A、Supplemental log must be enabledB、Supplemental log must be enabled for the primary keyC、Undo retention guarantee for the database must be configuredD、”EXECUTE “ p

题目

What are the prerequisites for performing flashback transactions? （）(Choose all that apply)

  • A、Supplemental log must be enabled
  • B、Supplemental log must be enabled for the primary key
  • C、Undo retention guarantee for the database must be configured
  • D、”EXECUTE “ permission on the DBMS_FLASHBACK package must be granted to the user
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4.What two are the prerequisites for enabling Flashback Database?()A. The database must be in ARCHIVELOG modeB. The database must be in MOUNT EXCLUSIVE modeC. The database must be opened in RESTRICTED modeD. The database instance must be started in the NOMOUNT stateE. The database instance must have the keep buffer pool defined

参考答案和解析
正确答案:A,B,D
更多“What are the prerequisites for p”相关问题

  • 第1题：

    What is the proper way to start a system dump on the default primary dump device? （）

    • A、 sysdumpdev -p 
    • B、 sysdumpdev -s 
    • C、 sysdumpstart -p 
    • D、 sysdumpstart -s

    正确答案:C

  • 第2题：

    A customer has asked for a p690 system with the following requirements：   ？ 32 1.9ghz processors   ？ 128GB of memory   ？ 20 fiber adapters   ？ 7 network cards   ？ 10 LPARs   What is the most appropriate question to ask them in order to build the hardware configuration correctly？（）

    • A、What version of AIX is needed？
    • B、Which SWMA offering is needed？
    • C、What kind of network is the system being attached to？
    • D、What kind of memory should be configured on the system？

    正确答案:C

  • 第3题：

    What are the prerequisites for enabling Flashback Database？ （）

    • A、 The database must be started in the MOUNT EXCLUSIVE state.
    • B、 The database must have multiplexed control files.
    • C、 The database must be opened by using a text-based parameter file instead of a server parameter file （SPFILE）.
    • D、 The database must be in ARCHIVELOG mode.
    • E、 The database must be in the NOMOUNT state.
    • F、 The database must be opened in RESTRICTED mode.

    正确答案:A,D

  • 第4题：

    You have a server that runs Windows Server 2008 R2. You plan to install Exchange Server 2010 on the server. You need to install the Exchange Server 2010 prerequisites for the Unified Messaging （UM）， Mailbox， Client Access， and Hub Transport server roles.  What should you run（）？ 

    • A、Setup.com /AnswerFile：Exchange-All.xml
    • B、Setup.com /Roles：Ht， Mb， Um， Ca， Mt
    • C、ServerManagerCmd.exe -IP Exchange-All.xml
    • D、ServerManagerCmd.exe -IP Exchange-CADb.xml

    正确答案:C

  • 第5题：

    单选题
    If t is 40 percent greater than p, and p is 40 percent less than 600, what is the value of t-p?
    A

    144

    B

    240

    C

    360

    D

    504

    E

    1008


    正确答案： A
    解析：
    因为p的值比600少40%，所以p=600(0.60)=360，t比p大40%，所以t=1.40p=1.40（360）=504，所以t-p=504-360=144。

  • 第6题：

    填空题
    What do the Garden’s Guides do every day at 11:00 a. m. and 2:00 p.m.?They show the tourists around the ____.

    正确答案： Australian National Gardens
    解析：
    细节辨认题。录音中提到“The gardens’ guides show you around garden every day at 11 a.m. and 2 p.m.”，导游每天上午十一点到下午两点会带领你参观公园，这里的公园指的就是澳大利亚国家公园。

  • 第7题：

    多选题
    What are the prerequisites for performing flashback transactions? （）(Choose all that apply)
    A

    Supplemental log must be enabled

    B

    Supplemental log must be enabled for the primary key

    C

    Undo retention guarantee for the database must be configured

    D

    ”EXECUTE “ permission on the DBMS_FLASHBACK package must be granted to the user


    正确答案： A,C
    解析： 暂无解析

  • 第8题：

    单选题
    You have a server that runs Windows Server 2008 R2. You plan to install Exchange Server 2010 on the server. You need to install the Exchange Server 2010 prerequisites for the Unified Messaging （UM）， Mailbox， Client Access， and Hub Transport server roles.  What should you run（）？
    A

    Setup.com /AnswerFile：Exchange-All.xml

    B

    Setup.com /Roles：Ht， Mb， Um， Ca， Mt

    C

    ServerManagerCmd.exe -IP Exchange-All.xml

    D

    ServerManagerCmd.exe -IP Exchange-CADb.xml


    正确答案： D
    解析： 暂无解析

  • 第9题：

    多选题
    What two are the prerequisites for enabling Flashback Database?（）
    A

    The database must be in ARCHIVELOG mode

    B

    The database must be in MOUNT EXCLUSIVE mode

    C

    The database must be opened in RESTRICTED mode

    D

    The database instance must be started in the NOMOUNT state

    E

    The database instance must have the keep buffer pool defined


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    What two are the prerequisites for enabling Flashback Database?（） (Choose two)
    A

    The database must be in ARCHIVELOG mode

    B

    The database must be in MOUNT EXCLUSIVE mode

    C

    The database must be opened in RESTRICTED mode

    D

    The database instance must be started in the NOMOUNT state

    E

    The database instance must have the keep buffer pool defined


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    What is the common feature of /p/, /k/, and /t/?
    A

    voiceless

    B

    fricative

    C

    voiced

    D

    nasal


    正确答案： C
    解析：

  • 第12题：

    单选题
    What type of liquid is used in the liquid P/V breaker（）.
    A

    Hydraulic oil

    B

    Water-antifreeze mixture

    C

    Distilled water

    D

    Oil from the cargo


    正确答案： A
    解析： 暂无解析

  • 第13题：

    What command can an administrator use to get summary performance information about the hypervisor？（）

    • A、 vmstat -H
    • B、 mpstat -s
    • C、 lparstat -h
    • D、 sar -p HYPER

    正确答案:C

  • 第14题：

    What two are the prerequisites for enabling Flashback Database?（） (Choose two)

    • A、The database must be in ARCHIVELOG mode
    • B、The database must be in MOUNT EXCLUSIVE mode
    • C、The database must be opened in RESTRICTED mode
    • D、The database instance must be started in the NOMOUNT state
    • E、The database instance must have the keep buffer pool defined

    正确答案:A,B

  • 第15题：

    You have an Exchange Server 2010 organization. You need to install the Hub Transport server role on a new server. You install all the prerequisites for the Hub Transport role on the server.  What should you do next（）？ 

    • A、From Windows PowerShell， run the Add-WindowsFeature cmdlet.
    • B、From Windows PowerShell， run the Install-TransportAgent.ps1 script.
    • C、At the command prompt， run Setup.com /M：Install /R：Ht.
    • D、At the command prompt， run ServerManagerCmd.exe -IP Exchange-HUb.xml.

    正确答案:C

  • 第16题：

    单选题
    The average of a, b, c, and d is p. If the average of a and c is q, what is the average of b and d in terms of p and q?
    A

    2p+q

    B

    2p – q

    C

    2q +p

    D

    2q-p

    E

    (2p+q)/3


    正确答案： B
    解析：
    The average of a, b, c, and d is p, so (a + b + c + d)/4 = p, or a+b+c+d = 4p. Similarly, since the average of a and c is q, then a+c = 2q, so b+d+2q = 4p. Since b+d = 4p - 2q, then (b +d)/2 = 4p/2 - 2q/2 = 2p –q.

  • 第17题：

    单选题
    For what value of p is (x-2)(x+2) = x(x -p)?
    A

    -4

    B

    0

    C

    2/x

    D

    4/x

    E

    -x/4


    正确答案： D
    解析：
    Multiply on each side of the given equation, (x - 2)(x + 2) = x(x -p). The result is x2 - 4 = x2 – xp, so 4 = xp and p = 4/x.

  • 第18题：

    填空题
    The members of set O are the integer solutions of the inequality 3x-4 ≤11, and the members of set P are the integer solutions of the inequality-4x+5<-7. What is one member of the intersection of O and P ?____

    正确答案： 4 or 5
    解析：
    因为3x-4≤11，x≤5。-4x+5<-7，x＞3。满足着两个式子的x的可能的值为3 < x≤5，所以O和P的交叉点为4和5。

  • 第19题：

    问答题
    What is the following word when it is unscrambled?　　H C P R A A T E U

    正确答案： parachute
    解析：
    parachute降落伞，跳伞。

  • 第20题：

    单选题
    What is the proper way to start a system dump on the default primary dump device? （）
    A

     sysdumpdev -p 

    B

     sysdumpdev -s 

    C

     sysdumpstart -p 

    D

     sysdumpstart -s


    正确答案： B
    解析： 暂无解析

  • 第21题：

    问答题
    If 4 percent of (p + q) is 8 and p is a positive integer, what is the greatest possible value of q ?

    正确答案： 199
    解析：
    这是一道数学题，(p + q)的4%是8，因此p+q=200，设p=1，1是最小的正整数，则可知q的最大值是199。

  • 第22题：

    多选题
    What are the prerequisites for enabling Flashback Database？ （）
    A

    The database must be started in the MOUNT EXCLUSIVE state.

    B

    The database must have multiplexed control files.

    C

    The database must be opened by using a text-based parameter file instead of a server parameter file （SPFILE）.

    D

    The database must be in ARCHIVELOG mode.

    E

    The database must be in the NOMOUNT state.

    F

    The database must be opened in RESTRICTED mode.


    正确答案： E,B
    解析： 暂无解析

  • 第23题：

    单选题
    If (p-q)2=16 and pq=21, what is the value of (p+q)2?
    A

    16

    B

    37

    C

    84

    D

    100

    E

    121


    正确答案： B
    解析：
    Expand(p-q) 2=16：(p-q) 2=p2-2pq+q2=p2+q2-2×21=16, p2+q2=58.
    Now expand (p+q)2: (p+q)2=p2+q2+2pq=58+2×21=100.

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