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WGU D426 Objective Assessment Version 1 (New 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| A Grade $10.99   Add to cart
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WGU D426 Objective Assessment Version 1 (New 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| A Grade

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WGU D426 Objective Assessment Version 1 (New 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| A Grade

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  • September 1, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • wgu
  • wgu d426 finald426 objective d426 pre assessment
  • d426 finald426 objective wgu d426 pre assessment
  • wgu d426 finald426 objective assessmentd426 pre
  • d426 finalwgu d426 objective assessmentd426 pre

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WGUID426IObjectiveIAssessmentIVersionI1
I(NewI2024/I2025IUpdate)IDataI
ManagementIFoundationsI|IQuestionsIandI
VerifiedIAnswers|100%ICorrect|IAIGradeI

QUESTION
IRESTRICT

Answer:
________IrejectsIanIinsert,Iupdate,IorIdeleteIthatIviolatesIreferentialIintegrity.




QUESTION
ICASCADE

Answer:
PropagatesIprimaryIkeyIchangesItoIforeignIkeys.




QUESTION
IConstraint

Answer:
AI__________IisIaIruleIthatIgovernsIallowableIvaluesIinIaIdatabaseIbasedIonIrelationalIandIbu
sinessIrules.




QUESTION
IUNIQUEI(Constraint)

,Answer:
TheI_______IconstraintIensuresIthatIvaluesIinIaIcolumn,IorIgroupIofIcolumns,IareINEVERIRE
PEATED.




QUESTION
ICHECKI(Constraint)

Answer:
TheI_______IconstraintIspecifiesIanIexpressionIonIoneIorImoreIcolumnsIofIaItable.




QUESTION
IAddingIandIDroppingIConstraints

Answer:
ConstraintsIareIaddedIandIdroppedIwithItheIALTERITABLEITableNameIfollowedIbyIanIADD,
IDROP,IorICHANGEIclause.




QUESTION
IBETWEENI(Operator)

Answer:
TheI________IoperatorIprovidesIanIalternativeIwayItoIdetermineIifIaIvalueIisIbetweenItwoIoth
erIvalues.




QUESTION
ILIKEI(Operator)

,Answer:
TheI_____Ioperator,IwhenIusedIinIaIWHEREIclause,ImatchesItextIagainstIaIpatternIusingItheIt
woIwildcardIcharactersI%IandI_.




QUESTION
IORDERIBYI(Clause)

Answer:
TheI_____I___IclauseIordersIselectedIrowsIbyIoneIorImoreIcolumnsIinIascendingI(alphabeticI
orIincreasing)Iorder.ITheIDESCIkeywordIwithItheIORDERIBYIclauseIordersIrowsIinIdescendi
ngIorder.




QUESTION
IABS(n)I(Function)

Answer:
ReturnsItheIabsoluteIvalueIofIn.IDistanceIfromIzero.IAlwaysIaIpositiveInumberIorIzero.




QUESTION
ILOWER(s)I(Function)

Answer:
ReturnsItheIlowercaseI"s".IOrIanyIspecifiedIcharacters.




QUESTION
ITRIM(s)I(Function)

, Answer:
ReturnsItheIstringI"s"IwithoutIleadingIandItrailingIspaces




QUESTION
IHOUR(t)
MINUTE(t)
SECOND(t)
(Function)


Answer:
ReturnsItheIhour,Iminute,IorIsecondIfromItimeIt




QUESTION
IAggregateI(Function)

Answer:
COUNT()IcountsItheInumberIofIrowsIinItheIset.
MIN()IfindsItheIminimumIvalueIinItheIset.
MAX()IfindsItheImaximumIvalueIinItheIset.
SUM()IsumsIallItheIvaluesIinItheIset.
AVG()IcomputesItheIarithmeticImeanIofIallItheIvaluesIinItheIset.




QUESTION
IHAVINGI(Clause)

Answer:
TheIHAVINGIclauseIisIusedIwithItheIGROUPIBYIclauseItoIfilterIgroupIresults.




QUESTION

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