70、(31-2)choosethebestanswer:ViewtheExhibitandexaminethestructureoftheBooktable.TheBOOKStablecontainsdetailsof100books.Examinethecommandsexecutedandtheiroutcome:SQL>INSERTINTObooksVALUES(‘ADV11
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其他好文 时间:
2019-03-08 11:13:41
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198
68、(29-13)choosetwo:Whichtwostatementsaretrue?(Choosetwo.)A)DICTIONARYisaviewthatcontainsthenamesofallthedatadictionaryviewsthattheusercanaccess.B)TheuserSYSTEMownsallthebasetablesanduser-accessiblevi
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其他好文 时间:
2019-03-07 12:49:30
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163
65、(22-16)choosethebestanswer:TheCUSTOMERStablehasthefollowingstructure:Youneedtowriteaquerythatdoesthefollowingtasks:Displaythefirstnameandtaxamountofthecustomers.Taxis5%oftheircreditlimit.Onlythosec
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其他好文 时间:
2019-03-07 11:42:59
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187
67、(25-8)choosethebestanswer:ViewtheExhibitandexaminethestructureofCUSTOMERStable.Evaluatethefollowingquery:SQL>SELECTcust_id,cust_cityFROMcustomersWHEREcust_firstnameNOTLIKE‘A%g_%‘ANDcust_
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其他好文 时间:
2019-03-07 11:40:00
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175
63、(22-4)choosethebestanswer:ViewtheExhibitandexaminethedatainthePRODUCTStable.WhichstatementwouldaddacolumncalledPRICE,whichcannotcontainNULL?A)ALTERTABLEproductsADDpriceNUMBER(8,2)DEFAULTNOTNULL;B)A
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其他好文 时间:
2019-03-06 11:58:13
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181
62、(13-17)choosethebestanswer:YouneedtolisttheemployeesinDEPARTMENT_ID30inasinglerow,orderedbyHIRE_DATE.Examinethesampleoutput:Whichquerywillprovidetherequiredoutput?A)SELECTLISTAGG(last_name,‘;
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其他好文 时间:
2019-03-06 11:56:34
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249
61、(18-6)choosethebestanswer:ViewtheExhibitandexaminethestructureoftheCUSTOMERStable.YouwanttogenerateareportshowingthelastnamesandcreditlimitsofallcustomerswhoselastnamesstartwithA,B,orC,andcreditlim
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其他好文 时间:
2019-03-06 10:46:18
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167
60、(16-10)choosethebestanswer:EvaluatethefollowingSQLcommands:SQL>CREATESEQUENCEord_seqINCREMENTBY10STARTWITH120MAXVALUE9999NOCYCLE;SQL>CREATETABLEord_items(ord_noNUMBER(4)DEFAULTord_seq.NEXTVAL
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数据库 时间:
2019-03-05 15:42:22
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195
59、(16-8)choosetwo:WhichtwostatementsaretrueregardingtheUSINGandONclausesintablejoins?A)TheONclausecanbeusedtojointablesoncolumnsthathavedifferentnamesbutcompatibledatatypes.B)Amaximumofonepairofcolum
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数据库 时间:
2019-03-05 13:56:20
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129
58、(16-1)choosethebestanswer:ExaminethestructureoftheBOORSTRANSACTIONStable:ExaminetheSQLstatement:SQL>SELECTFROMbooks_transactionsWHEREborrowed_dateMEMBER_IDIN(‘A101‘,‘A102‘);Which
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数据库 时间:
2019-03-05 12:50:56
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500