Which statement is true about a running session that belongs to the online transaction processing (OLTP) group?()A. It permanently switches to the low_group consumer group if the session exceeds 10,000 I/O requests or 2,500 MB of data transfer.B. It perfo

题目
Which statement is true about a running session that belongs to the online transaction processing (OLTP) group?()

A. It permanently switches to the low_group consumer group if the session exceeds 10,000 I/O requests or 2,500 MB of data transfer.

B. It performs the first 10000 I/O requests or 2,500 MB of data transfer in the LOW-GROUP consumer group, and then switches to the original group.

C. It switches to the LOW_GROUP consumer group if the session exceeds 10000 I/O requests or 2500 MB of data transfer and returns to the original group after the operation.

D. It switches to the LOW_GROUP consumer group if the session exceeds 10000 I/O requests or 2500MB of data transfer for queries, but not for data manipulation language (DML) operations.

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更多“Which statement is true about a running session that belongs to the online transaction processing (OLTP) group?() ”相关问题

  • 第1题：

    Youwanttoenabletheuser，Scott，tochangetotheGRP1consumergroupbyissuingthefollowingcode：SQL>EXECDBMS_SESSION.SWITCH_CURRENT_CONSUMER_GROUP（’SCOTT’，’GRP1’，FALSE）；Howwillyougranttheswitchprivilegetotheuser，Scott？（）

    A.byusingtheDBMS_SESSIONpackage

    B.bygrantingtheDBArole

    C.byusingtheDBMS_RESOURCE_MANAGERpackage

    D.byusingtheDBMS_RESOURCE_MANAGER_PRIVSpackage


    参考答案：D

  • 第2题：

    WhichtwostatementsregardingtheFLASHBACK_TRANSACTION_QUERYviewarecorrect?()

    A.Youcanfindinformationaboutonlyactivetransactionsfromtheview

    B.Youcanfindinformationaboutreadonlytransactionsfromtheview

    C.YourequiretheSELECTANYTRANSACTIONsystemprivilegetoaccesstheview

    D.Youcanfindinformationaboutbothactiveandcommittedtransactionsfromtheview

    E.YourequiretheSELECTONFLASHBACK_TRANSACTION_QUERYobjectprivilegetoaccesstheview


    参考答案：C, D

  • 第3题：

    下列选项中，关于page指令中指明需要内置Session对象的设置是（）。

    A．session=”false”

    B．session=”0”

    C．session=”1”

    D．session=”true”


    namespace

  • 第4题：

    Youupdatedtheresourceplandirectivefortheresourceconsumergroup，DSS_USERS.TheresourceplandirectiveisassignedtotheDSS_PLANbyusingthefollowingstatement：

    SQL>EXECDBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE（PLAN=>’DSS_PLAN’，

    GROUP_OR_SUBPLAN=>’DSS_USERS’，

    NEW_CPU_P1=>80，

    NEW_SWITCH_GROUP=>’CANCEL_SQL’，

    NEW_SWITCH_ESTIMATE=>TRUE，

    NEW_SWITCH_TIME=>600）；

    Auserconnectstothedatabaseandstartsanoperation.WhatistheoutcomeifOracleestimatesthattheexecutiontimeforthisoperationwillexceed600seconds？（）


    参考答案：B

  • 第5题：

    Examinethecode：CREATEROLEreadonlyIDENTIFIESUSINGapp.chk_readwrite；CREATEROLEreadwriteIDENTIFIEDUSINGapp.chk_readwrite；CREATEORREPLACEPROCEDUREapp.chk_readwriteAUTHIDCURRENT_USERISipchkSTRING（30）；BEGINIFsys_context（‘USERENV’，’ISDBA’）=’TRUE’THENDBMS_SESSION.SET_ROLE‘READWRITE’）；ELSEDBMS_SESSION.SET_ROLE（‘READONLY’）；END；/WhichthreestatementscorrectlydescribetheSecureApplicationroledefinition？（）

    A.Nouserorapplicationhastorememberorhideapassword.

    B.ItpreventseveryoneexceptatrueDBAsessionfromacquiringtheREADWRITErole.

    C.app.chk_readwriteiscalledwheneverausertriestoaccessrowsprotectedbytheREADONLYorREADWRITElabel.

    D.app.chk_readwriteiscalledbyusersorapplicationswhentheywanttoenabletheREADONLYor READWRITErole.


    参考答案：A, B, D

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