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[主观题]

He can only blame himself for failing the exam. He ______ harder during the year, but he s

eemed to go out with a different gift every weekend.

A．would have worked

B．should have worked

C．must work

D．ought to work

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更多“He can only blame himself for …”相关的问题

第1题

YouareusingOracleDatabase10g.YouperformedanincompleterecoveryofyourdatabaseandopenedthedatabasewiththeRESETLOGSoption.WhatistheeffectofopeningthedatabasewiththeRESETLOGSoption?()

A.ThisoperationresetstheSCNforthedatabase.

B.Thisoperationcreatesanewincarnationofthedatabase.

C.Thisoperationmovesalltheredologfilestoadifferentlocation.

D.Thisoperationdeletestheoldredologfilesandcreatesnewredologfiles.

E.ThisoperationupdatesallcurrentdatafilesandonlineredologsandallsubsequentarchivedredologswithanewRESETLOGSSCNandtimestamp.

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第2题

What recommendations does the SQL Access Advisor provide for optimizing SQL queries?()

A. selection of SQL plan baselines

B. partitioning of tables and indexes

C. creation of index-organized tables

D. creation of bitmap, function-based, and B-tree indexes

E. optimization of materialized views for maximum query usage and fast refresh

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第3题

Which statement correctly describes SQL and /SQL*Plus? ()

A. Both SQL and /SQL*plus allow manipulation of values in the database.

B. /SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.

C. /SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.

D. /SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.

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第4题

ExaminethecommandsexecutedinaDBAsession:SQL>CREATEBIGFILETABLESPACEMRKT2DATAFILE’/u01/a

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A.Nomoredatafilescanbeaddedtothetablespace.

B.Segmentspaceismanagedbyfreelistsinthetablespace.

C.Ausercreatedwithoutbeingassignedadefaulttablespaceusesthistablespace.

D.Thetablespacecanbedroppedwiththecurrentsettingwithsegmentspresentinit

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第5题

YouexecutedthefollowingcommandinRecoveryManager(RMAN):RMAN>RESTORECONTROLFILEWhichoperationmustyouperformbeforethiscommandisexecuted?()

A.backupthecontrolfiletotrace

B.bringdatabasetotheMOUNTstate

C.openaconnectiontotheRMANrecoverycatalog，whichcontainstheRMANmetadataforthetargetdatabase

D.setthedatabaseID（DBID），butonlyiftheDB_NAMEparameterassociatedwiththetargetdatabaseisuniqueintherecoverycatalog

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第6题

WhichtwostatementsaretrueregardingtransactionsinanOracledatabase()

A.Multipletransactionscanusethesameundosegment.

B.Atransactionisassignedanundosegmentwhenitisstarted.

C.Morethanonetransactioncannotsharethesameextentintheundotablespace.

D.Thetransactionsusesystemundosegmenttostoreundodataifallthesegmentsintheundotablespaceareused.

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第7题

Overthecourseofaday,adepartmentperformedmultipleDMLstatements(inserts,updates,deletes)onmu

Overthecourseofaday，adepartmentperformedmultipleDMLstatements（inserts，updates，deletes）onmultiplerowsofdatainmultipletables.Themanagerwouldlikeareportshowingthetime，tablename，andDMLtypeforallchangesthatweremade.WhichFlashbacktechnologywouldbethebestchoicetoproducethelist？（）

A.FlashbackDrop

B.FlashbackQuery

C.FlashbackTransactionQuery

D.FlashbackVersionsQuery

E.FlashbackTable

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第8题

ViewtheExhibit1,whichshowstheoptionsthatareselectedtocreatetheuserSL_REP.ViewtheExhibit2andexaminethecontentsofDATABASE_PROPERTIES.Whichtwostatementsaretrueregardingthisuser()

A.Theuserisauthenticatedbytheoperatingsystem.

B.TheobjectscreatedbytheuserareplacedintheUSERStablespace.

C.TheuserdoesnotrequirequotaontheTEMPtablespacetoperformsortoperations.

D.Theuserisforcedtochangethepasswordatthefirstlogintothedatabaseinstance.

E.Theobjectscreatedbytheuserinfutureareunlockedtobeaccessedbyalltheusersinthedatabasebydefault.

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第9题

YouexecutedthefollowingcommandinRecoveryManager(RMAN)toperformabackupoftheDETTBStablespace:RMAN>BACKUPTABLESPACEDETTBSUnderwhichconditionswouldthiscommandexecutesuccessfully?()

A.ThedatabaseisinNOMOUNTstate.

B.ThedatabaseisinARCHIVELOGmodeandthetablespaceisonline.

C.ThedatabaseisinARCHIVELOGmodeandthetablespaceisoffline.

D.ThedatabaseisinNOARCHIVELOGmodeandthetablespaceisonline.

E.ThedatabaseisinNOARCHIVELOGmodeandthetablespaceisoffline.

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第10题

You need to perform these tasks:1. Create and assign a MANAGER role to Blake and Clark2. G

rant CREATE TABLE and CREATE VIEW privileges to Blake and ClarkWhich set of SQL statements achieves the desired results? （）

A. CREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;

B. CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;

C. GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***

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