与你交往的人中，哪种性格类型的人最多：（)。A．性格、志趣相近的人B．年龄、爱好差异较大的人C．性格、教

emostofthememorycomponentsaccordingtothecurrentworkloadinthedatabase.Youissuethefollowingstatement：SQL>SELECTname，value，isdefault2FROMv$parameter3WHEREnameLIKE’%size%’；TheoutputofthisstatementdisplaysthattheDB_CACHE_SIZE，SHARED_POOL_SIZE，LARGE_POOL_SIZE，andJAVA_POOL_SIZEinitializationparameterscontainazerovalue.Whatdoesthisimply？（）

A.TheSGA_TARGETinitializationparametercannotbesettoavaluelessthan1G

B.TheSGA_TARGETinitializationparametercannotbesettoavaluegreaterthan1G

C.TheMemoryAdvisoroftheOracleEnterpriseManager10gcannotbeusedtoobtainadviceontheimportantmemorycomponentsoftheSGA

D.ThevaluesoftheDB_CACHE_SIZE，SHARED_POOL_SIZE，LARGE_POOL_SIZE，andJAVA_POOL_SIZEinitializationparameterscannotbesetmanually.

E.NominimumlimitsareimposedontheDB_CACHE_SIZE，SHARED_POOL_SIZE，LARGE_POOL_SIZE，andJAVA_POOL_SIZEinitializationparameters.

F.TheAutomaticSharedMemoryManagementfeaturecannotbedisabledunlessyouspecifyvaluesfortheDB_CACHE_SIZE，SHARED_POOL_SIZE，LARGE_POOL_SIZE，andJAVA_POOL_SIZEinitializationparametersintheinitializationparameterfile.

A. NLS_LANG

B. NLS_COMP

C. NLS_SORT

D. None of the above

YourSPFILEcontainsthefollowingparametersettings：

SGA_TARGET=8G

DB_CACHE_SIZE=4G

SHARED_POOL_SIZE=2G

LARGE_POOL_SIZE=512M

JAVA_POOL_SIZE=512M

LOG_BUFFER=100M

SGA_MAX_SIZE=10G

YouquerytheV$SGA_DYNAMIC_COMPONENTSdynamicperformanceviewanddiscoverthatthelargepoolcomponentiscurrentlysizedat1G.YouwantthevalueoftheSGA_TARGETinitializationparameterto10G，butinsteadofspecifyingavalueof10GfortheSGA_TARGETinitializationparameter，youerroneouslyexecutethefollowingstatement：

SQL>ALTERSYSTEMSETSGA_TARGET=0SCOPE=BOTH；

Whatistheresultofthisstatement？（）

A.ThesourcePL/SQLcodewillbestoredinnativemachinecode.

B.ThesourcePL/SQLcodewillbestoredininterpretedbytecode.

C.ThecompiledPL/SQLcodewillbestoredinnativemachinecode.

D.ThecompiledPL/SQLcodewillbestoredininterpretedbytecode.

A.It shows the total size of the index row

B.It shows how many columns in the index are examined

C.It shows the number of characters indexed in the key

D.It shows how many bytes will be used from each index row

YouworkasadatabaseadministratorforSupportcenter.cn.OnaMondaymorning，youfindthedatabaseinstanceaborted.Afterinspectingthealertlogfile，youexecutetheSTARTUPcommandinSQL*Plustobringtheinstanceup.Whatstatementistrue？（）

A.PMONcoordinatesmediarecovery.

B.SMONcoordinatesinstancerecovery.

C.PMONcoordinatesinstancerecovery.

D.UndoAdvisorwouldrollbackalluncommittedtransactions.

E.SQL*PLUSreportsanerrorwiththemessageaskingyoutoperforminstancerecovery.

YoucreateanOracle10gdatabaseandconfiguretheSPFILEasfollows：SGA_TARGET=2GDB_CACHE_SIZE=512MLOG_BUFFER=50MDB_KEEP_CACHE_SIZE=128MYoumodifytheSGA_TARGETinitializationparameterusingthefollowingstatement：SQL>ALTERSYSTEMSETSGA_TARGET=1GSCOPE=BOTH；Whichentitydoesthisstatementaffect？（）

A.onlytheauto-tunedmemorycomponents

B.onlythememorycomponentsthatarenotauto-tuned

C.boththeauto-tunedmemorycomponentsandthenon-auto-tunedmemorycomponents

D.neithertheauto-tunedmemorycomponentsnorthenon-auto-tunedmemorycomponents

TheSPFILEforyourdatabasecontainsthefollowingparametersettings：SGA_TARGET=1000MDB_CACHE_SIZE=512MSHARED_POOL_SIZE=128MLOG_BUFFER=10MDB_8K_CACHE_SIZE=50MWhatisthetotalmemorythatcanbedistributedacrosstheauto-tunedmemorycomponents？（）

A.940M

B.990M

C.690M

D.1000M

ourdatabaseinstanceisstartedusingtheserverparameterfile（SPFILE）.YouexecutedacommandtochangethevalueoftheLOG_BUFFERinitializationparameter：ALTERSYSTEMSETLOG_BUFFER=32MSCOPE=BOTH；Whatwouldbetheoutcomeofthiscommand（）

A.ThecommandsucceedsonlyifAutomaticMemoryManagementisnotenabled.

B.Thecommandsucceeds，butyouneedtorestartthedatabaseforchangestotakeeffect.

C.Thecommandreturnsanerrorbecausethesizeoftheredologbuffercannotbechangeddynamically.

D.TheparametervalueischangedanditcomesintoeffectassoonasspacebecomesavailableintheSystemGlobalArea（SGA）

ER NOT NULL, Primary KeyEMP_NAME VARCHAR2(30)JOB_ID VARCHAR2(20) NOT NULLSAL NUMBERMGR_ID NUMBER References EMPLOYEE_ID columnDEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS tableYou need to create a view called EMP_VU that allows the user to insert rows through the view. Which SQL statement, when used to create the EMP_VU view, allows the user to insert rows? （）

A. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, department_id FROM employees WHERE mgr_id IN (102, 120);

B. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id department_id FROM employees WHERE mgr_id IN (102, 120);

C. CREATE VIEW emp_Vu AS SELECT department_id, SUM(sal) TOTALSAL FROM employees WHERE mgr_id IN (102, 120) GROUP BY department_ id;

D. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id, DISTINCT department_id FROM employees;