题目内容 (请给出正确答案)
[主观题]

You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows t

hat are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.Which three storage options support the use of HCC?()

A. ASM disk groups with ASM disks consisting of Exadata Grid Disks.

B. ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array

C. ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files

D. Database files stored in ZFS and accessed using conventional NFS mounts.

E. Database files stored in ZFS and accessed using the Oracle Direct NFS feature

F. Database files stored in any file system and accessed using the Oracle Direct NFS feature

G. ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays

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第1题

Evaluate this SQL statement:SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT

_NAMEFROM EMPLOYEES e, DEPARTMENTS dWHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;In the statement, which capabilities of a SELECT statement are performed?()

A.selection, projection, join

B.difference, projection, join

C.selection, intersection, join

D.intersection, projection, join

E.difference, projection, product

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第2题

YouworkasadatabaseadministratorforCertkiller.com.Inaproductionenvironment,userscomplainabo

uttheslowresponsetimewhenaccessingthedatabase.YouhavenotoptimizedthememoryusageoftheOracleinstanceandyoususpecttheproblemtobewiththememory.Towhichtypeofobjectwouldyourefertodeterminethecauseoftheslowresponse?()

A.Thetracefile

B.Thefixedviews

C.Thedatadictionaryviews

D.Theoperatingsystemlogfields

E.Thedynamicperformanceviews.

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第3题

In your multitenant container database (CDB) containing pluggable databases (PDB), users c

omplain about performance degradation.How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?()

A. It collects data from SGA and compares it with a preserved snapshot.

B. It collects data from SGA, analyzes it, and provides a report.

C. It collects data from SGA and compares it with the latest snapshot.

D. It collects data from both SGA and PGA, analyzes it, and provides a report

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第4题

Given:Whichtwomethods,insertedindividually,correctlycompletetheThreeclass?()

A.publicvoidfoo(){}

B.publicintfoo(){return3;}

C.publicTwofoo(){returnthis;}

D.publicOnefoo(){returnthis;}

E.publicObjectfoo(){returnthis;}

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第5题

ViewtheExhibitandexaminethestructureoftheEMPtable.Youexecutedthefollowingcommandtoaddaprim

arykeytotheEMPtable:ALTERTABLEempADDCONSTRAINTemp_id_pkPRIMARYKEY(emp_id)USINGINDEXemp_id_idx;Whichstatementistrueregardingtheeffectofthecommand?()

A.ThePRIMARYKEYiscreatedalongwithanewindex.

B.ThePRIMARYKEYiscreatedanditwoulduseanexistinguniqueindex.

C.ThePRIMARYKEYwouldbecreatedinadisabledstatebecauseitisusinganexistingindex.

D.ThestatementproducesanerrorbecausetheUSINGclauseispermittedonlyintheCREATETABLEcommand.

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第6题

YouareworkingontheCertkillerdatabase.Whatisthedefaultnameofthealertlogfileinthisdatabase?()

A.alert_Certkiller.log

B.alertlog_Certkiller.log

C.alert_log_Certkiller.log

D.Certkiller_alert_log.log

E.log_alert_:Certkiller.log

F.trace_alert_Certkiller.log

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第7题

Considerthefollowingconfiguration:/devices/D1isamemberofdiskgroupdgroupA./devices/D2isamem

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A.Thecommandaddsthenewdisk,D4,tothediskgroup.

B.Thecommandwouldresultinanerrorbecausetheisnodiskbythename"’/devices/D*’"

C.Thecommandwillbeignoredbecausedisksstartingwith"D"arealreadymembersofthediskgroup.

D.Thecommandwouldresultinanerrorbecausenowildcardcharacterscanbeusedinthediskname.

E.Thecommandfirstdetachesallthememberdisksstartingwith"D",andthereattachesthemincludingthenewdisk.

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第8题

The tnsnames.ora file has an entry for the service alias ORCL as follows:The TNS ping comm

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B. The TNS_ADMIN environment variable is set to the wrong value.

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D. The DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet.ora file.

E. The listener is running on a different port.

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第9题

YouworkasadatabaseadministratoratCertkiller.com.Inyourproductiondatabasethereisajob,CALC_S

TAT,whichhasbeenscheduledtoruneveryFridayat5.00p.m.CALC_STATupdatestheoptimizerstatisticsfortheobjectsownedbytheAPPSschema.Youwantthetasktobegeneric,therebyallowinguserstomodifytheattributesofthetaskatruntimewithoutaffectingtheoriginaltask.WhichcomponentofOracleSchedulermustyoudefinetoachievethis?()

A.Window

B.Program

C.Jobclass

D.Windowgroup

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第10题

YouworkasadatabaseadministratorforCertkiller.com.YouhavesettheretentionperiodforAutomaticR

epository(AWR)statisticstofourdaysandcollectionintervalto15minutes.YouwanttoviewthestatisticscollectedandstoredinAWRsnapshot.WhichtwomethodswouldyouusetoviewtheAWRstatistics?()

A.useenterprisemanager

B.useDBMS_SQLpackage

C.useDBMS_AWRpackage

D.usePRVT_WORKLOADpackage

E.querytheAWRsnapshotrepositoryobjects

F.useDBMS_WORKLOAD_REPOSITORYpackage

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