D426 WGU - Practice Assesment

D426 WGU-PracticeAssesment MultipleChoice Questions and
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Verified Answers 100% A+ Graded b b b b b




Authorization-CORRECTANSWER-Requirementinlarge,complexdatabasesthatlimitsusers
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Conceptualdesign-CORRECTANSWER-Designtypethatspecifiesdatabaserequirements without a
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specific system
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Relationaldatabaserulesarecharacterizedby-CORRECTANSWER-Logicalconstraintsthat ensure the
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data is valid
b b b




WhathappenswhenanSQLstatementissyntacticallyincorrect? -CORRECTANSWER-Error code
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and error description in MySQL
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Whatdatatypeisusedtostorewholeintegervalues,likeage? -CORRECTANSWER-INT
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Whattext-basedinterfaceusesMySQLServerDownload-CORRECTANSWER-MySQL
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Command-Line Client
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WhatdatabasesystemincludestheWorlddatabaseduringinstall? -CORRECT ANSWER-MySQL
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What'sthestandardizedlanguageofrelationaldatabasesystems? -CORRECTANSWER- Structed
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Query Language
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WhichSQLsublanguagemanagesdatabaseaccess? - CORRECT ANSWER-DataControlLanguage
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WhichSQLsublanguagerollsbackdatabasechanges?-CORRECTANSWER-DataTransaction
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Language (DTL)
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, WhatformatforTIME datatype inMySQL? -CORRECT ANSWER-hh:mm:ss
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WhatMySQLoperatorcomeslast?- CORRECTANSWER-OR
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WhatoperatortocomparecolumnsfromleftandrighttablesinMySQL? -CORRECTANSWER-=
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Whichtypeofjoincombinestwotableswithoutcomparingcolumns? -CORRECTANSWER- CROSS
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Whichtypeofjoincomparescolumnsusingonlythe'='operator? -CORRECT ANSWER- EQUIJOIN
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Which typeofjoinisin the following query?
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SELECTDog.Nickname,Kennel.AddressFROMDog,KennelWHEREDog.KennelID=Kennel.ID -
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CORRECT ANSWER -EQUIJOIN
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Anothernamefor asubquery? - CORRECT ANSWER -Nestedquery
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Operatorthatcomparesagainstalistofvalueswhendeterminingamatchina WHEREclause? -
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CORRECT ANSWER -IN
b b b




Wildcardcharacterthatrepresentszeroormorecharacterswhensearchingforaspecified pattern
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using a LIKE operator? - CORRECT ANSWER -%/modulo
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WhatfunctionisconsideredanaggregatingfunctioninSQL? -CORRECTANSWER-MIN
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