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
阅读次数:
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
阅读次数:
500
57、(14-17)choosetwo:ExaminethestructureoftheDEPARTMENTStableYouexecutethefollowingcommand:SQL>ALTERTABLEdepartmentsSETUNUSED(country);Whichtwostatementsaretrue?A)Anewcolumn,COUNTRY,canbeaddedtotheD
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数据库 时间:
2019-03-05 11:03:13
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237
55、(13-3) choose the best answer: Which statement is true regarding the SESSION_PRIVS dictionary view? A) It contains the object privileges granted to ...
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数据库 时间:
2019-03-04 14:29:52
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187
55、(13-3)choosethebestanswer:WhichstatementistrueregardingtheSESSION_PRIVSdictionaryview?A)Itcontainstheobjectprivilegesgrantedtootherusersbythecurrentusersession.B)Itcontainsthesystemprivilegesgrante
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数据库 时间:
2019-03-04 14:24:22
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150
53、(12-14)choosethebestanswer:ExaminethecommandtocreatetheBOOKStable.SQL>CREATETABLEbooks(book_idCHAR(6)PRIMARYKEY,titleVARCHAR2(100)NOTNULL,publisher_idVARCHAR2(4),author_idVARCHAR2(50));TheBOOK_I
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数据库 时间:
2019-03-04 13:00:32
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214
50、(11-15)choosetwoExaminethestructureoftheMARKStable:Whichtwostatementswouldexecutesuccessfully?A)SELECTSUM(subjectl+subject2+subject3)FROMmarksWHEREstudent_nameISNULL;B)SELECTSUM(DISTINCTNVL(subject
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其他好文 时间:
2019-03-01 14:15:15
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165