At the request of a user, you issue the following command to restore a dropped table: flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop; Later, the user notifies you that the data in the table seems to be very old and out of date.  What mig

题目

At the request of a user, you issue the following command to restore a dropped table: flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop; Later, the user notifies you that the data in the table seems to be very old and out of date.  What might be the problem?()  

  • A、 Because a proper range of SCNs was not specified, the wrong data was restored.
  • B、 A proper range of timestamps was not specified, so the wrong data was restored.
  • C、 A previous Flashback Drop operation had been performed, resulting in multiple versions of the table being stored in the Recycle Bin.
  • D、 Either option A or B could be correct. Not enough information was provided to determine which.
  • E、 None of the above.

相似考题
更多“At the request o”相关问题
  • 第1题:

    WhichretrievesallcookiessentinagivenHttpSErvletRequestrequest?()

    A.request.getCookies()

    B.request.getAttributes()

    C.request.getSession().getCookies()

    D.request.getSession().GetAttributes()


    参考答案:A

  • 第2题:

    取得客户端的IP地址的方法是()。

    A.Request.servervariables

    B.Request.servervariables

    C.Request.servervariables

    D.Request.servervariables


    正确答案:C

  • 第3题:

    Which two commands allow you to return to a previous verision of software on the device?()

    A. request sytem software add

    B. request sytem software downgrade

    C. request sytem software replace

    D. request sytem software rollback


    参考答案:A, D

  • 第4题:

    Which two commands allow you to return to a previous version of software on the device?()

    • A、request system software add
    • B、request system software downgrade
    • C、request system software replace
    • D、request system software rollback

    正确答案:A,D

  • 第5题:

    Django的View中如何取得请求X-App-Code的值?()

    • A、request.META["HTTP_X_APP_CODE"]
    • B、request.HEADERS["X-APP-CODE"]
    • C、request.REQUEST["HTTP_X_APP_CODE"]
    • D、request.REQUEST["X-APP-CODE"]

    正确答案:A

  • 第6题:

    在jsp中作用域由小到大的组合是()

    • A、request page session application
    • B、page request session application
    • C、pageContext request session application
    • D、pageScope request sessionScope applicationScope

    正确答案:C

  • 第7题:

    A client is searching for an access point (AP). What is the correct process order that the client and  access point go through to create a connection?()

    • A、 probe request/response, authentication request/response, association request/response
    • B、 association request/response, authentication request/response, probe request/response
    • C、 probe request/response, association request/response, authentication request/response
    • D、 association request/response, probe request/response, authentication request/response

    正确答案:A

  • 第8题:

    Which command gracefully shuts down the Junos OS?()

    • A、request system reboot
    • B、request system logout
    • C、request system halt
    • D、restart gracefully

    正确答案:C

  • 第9题:

    单选题
    On the wireless LAN, A client is searching for an access point (AP). What is the correct processorder that this client and access point goes through in order to create a connection?()
    A

    association request/response, probe request/response, authentication request/response

    B

    association request/response, authentication request/response, probe request/response

    C

    probe request/response, authentication request/response, association request/response

    D

    probe request/response, association request/response, authentication request/response

    E

    None of the other alternatives apply


    正确答案: E
    解析: 暂无解析

  • 第10题:

    单选题
    Which EL expression evaluates to the request URI?()
    A

    ${requestURI}

    B

    ${request.URI}

    C

    ${request.getURI}

    D

    ${request.requestURI}

    E

    ${requestScope.requestURI}

    F

    ${pageContext.request.requestURI}


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Servlet A forwarded a request to servlet B using the forward method of RequestDispatcher. What attributein B’s request object contains the URI of the original request received by servlet A?()
    A

    REQUEST_URI

    B

    javax.servlet.forward.request_uri

    C

    javax.servlet.forward.REQUEST_URI

    D

    javax.servlet.request_dispatcher.request_uri

    E

    javax.servlet.request_dispatcher.REQUEST_URI


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    A client is searching for an access point (AP). What is the correct process order that the client and  access point go through to create a connection?()
    A

     probe request/response, authentication request/response, association request/response

    B

     association request/response, authentication request/response, probe request/response

    C

     probe request/response, association request/response, authentication request/response

    D

     association request/response, probe request/response, authentication request/response


    正确答案: B
    解析: 暂无解析

  • 第13题:

    WhichELexpressionevaluatestotherequestURI?()

    A.${requestURI}

    B.${request.URI}

    C.${request.getURI}

    D.${request.requestURI}

    E.${requestScope.requestURI}

    F.${pageContext.request.requestURI}


    参考答案:F

  • 第14题:

    下面哪条语句可以返回访问者的IP地址()。

    A.Request.ServerVariables

    B.Request.ServerVariables

    C.Request.ClientCertificate

    D.Request.ClientCertificate


    正确答案:A

  • 第15题:

    Servlet A forwarded a request to servlet B using the forward method of RequestDispatcher. What attributein B’s request object contains the URI of the original request received by servlet A?()

    • A、REQUEST_URI
    • B、javax.servlet.forward.request_uri
    • C、javax.servlet.forward.REQUEST_URI
    • D、javax.servlet.request_dispatcher.request_uri
    • E、javax.servlet.request_dispatcher.REQUEST_URI

    正确答案:B

  • 第16题:

    Planning Parameter界面启动起飞限重性能计算的方法正确的是()

    • A、界面右下角“T/O Request”按钮启动;
    • B、T/L Perf→T/O Request菜单启动;
    • C、界面左下角“T/O Request”按钮启动;
    • D、Performance→T/O Request菜单启动;

    正确答案:A

  • 第17题:

    Given a header in an HTTP request:X-Retries:4 Which two retrieve the value of the header from a given HttpServletRequest request?()

    • A、Request.getHeader("X-Retries")
    • B、Request.getIntHeader("X-Retries")
    • C、Request.getRequestHeader("X-Retries")
    • D、Request.getHeaders("X-Retries").get(0)
    • E、Request.getRequestHeaders("X-Retries").get(0)

    正确答案:A,B

  • 第18题:

    On the Company wireless LAN, A client is searching for an access point (AP).  What is the correct  process order that this Company client and access point goes through in order to create a  connection?()

    • A、 association request/response, probe request/response, authentication request/response
    • B、 association request/response, authentication request/response, probe request/response
    • C、 probe request/response, authentication request/response, association request/response
    • D、 probe request/response, association request/response, authentication request/response
    • E、 None of the other alternatives apply

    正确答案:C

  • 第19题:

    Which retrieves all cookies sent in a given HttpSErvletRequest request?()

    • A、 request.getCookies()
    • B、 request.getAttributes()
    • C、 request.getSession ().getCookies()
    • D、 request.getSession (). GetAttributes()

    正确答案:A

  • 第20题:

    Which four occur during the processing of a request using Oracle Shared Server?()

    • A、The dispatcher returns the response to the user.
    • B、The dispatcher places the request into the request queue.
    • C、The shared server places the response in the response queue.
    • D、The response is handed off to the next available dispatcher.
    • E、A shared server picks up the request from the request queue and processes the request.

    正确答案:A,B,C,E

  • 第21题:

    单选题
    Which retrieves all cookies sent in a given HttpSErvletRequest request?()
    A

     request.getCookies()

    B

     request.getAttributes()

    C

     request.getSession ().getCookies()

    D

     request.getSession (). GetAttributes()


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Which retrieves the binary input stream on line 13?()
    A

     request.get Writer ():

    B

     request.get Reader ():

    C

     request.get Input Stream():

    D

     request.get Resource As Stream():

    E

     request.get Resource As Stream (Servlet Request. REQUEST):


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    On the Company wireless LAN, A client is searching for an access point (AP).  What is the correct  process order that this Company client and access point goes through in order to create a  connection?()
    A

     association request/response, probe request/response, authentication request/response

    B

     association request/response, authentication request/response, probe request/response

    C

     probe request/response, authentication request/response, association request/response

    D

     probe request/response, association request/response, authentication request/response

    E

     None of the other alternatives apply


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    Given an HttpServletRequest request, which retrieves an object of type Account with an Id of “account”?()
    A

     Account account = request.get Resource(”account”):

    B

     Account account = request.get Attribute (“account”):

    C

     Account account = request.get Parameter (account”):

    D

     Account account = (Account)request.getResource (“account”):

    E

     Account account = (Account) request.get Attribute (“account”):

    F

     Account account = (Account) request.get Paramter (“account”):


    正确答案: A
    解析: 暂无解析