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SQLServerSQLClassOutlineTheBasicsofSQLIntroductionSettingYourDefaultDatabaseSELECT*(AllColumns)inaTableFullyQualifyingaDatabase,SchemaandTableSELECTSpecificColumnsinaTableCommasintheFrontorBackPlaceyourCommasinfrontforbetterDebuggingCapabilitiesSorttheDatawiththeORDERBYKeywordORDERBYDefaultstoAscendingUsetheNameortheNumberinyourORDERBYStatementTwoExamplesofORDERBYusingDifferentTechniquesChangingtheORDERBYtoDescendingOrderNULLValuessortFirstinAscendingMode(Default)NULLValuessortLastinDescendingMode(DESC)MajorSortvs.
MinorSortsMultipleSortKeysusingNamesvs.
NumbersSortsareAlphabetical,NOTLogicalUsingACASEStatementtoSortLogicallyAnOrderbyThatUsesanExpressionHowtoALIASaColumnNameAliasingaColumnNamewithSpacesorReservedWordsAMissingCommacanbyMistakebecomeanAliasCommentsusingDoubleDashesareSingleLineCommentsCommentsforMulti-LinesCommentsforMulti-LinesasDoubleDashesperLineAGreatTechniqueforCommentstoLookforSQLErrorssp_helpattheDatabaseLevelsp_helpattheObjectLevelGettingSystemInformationGettingAdditionalSystemInformationTheWHEREClauseTheWHEREClauselimitsReturningRowsDoubleQuotedAliasesareforReservedWordsandSpacesUsingAColumnALIASInAWHEREClauseUsingAColumnALIASInAnORDERBYClauseInWhatOrderDoesSQLServerProcessAQueryCharacterDataneedsSingleQuotesintheWHEREClauseCharacterDataneedsSingleQuotes,butNumbersDon'tDeclaringaVariableComparisonsagainstaNullValueNULLmeansUNKNOWNDATAsoEqual(=)won'tWorkUseISNULLorISNOTNULLwhendealingwithNULLsNULLisUNKNOWNDATAsoNOTEqualwon'tWorkUseISNULLorISNOTNULLwhendealingwithNULLsUsingGreaterThanorEqualTo(>=)ANDintheWHEREClauseTroubleshootingANDORintheWHEREClauseTroubleshootingOrTroubleshootingCharacterDataUsingDifferentColumnsinanANDStatementQuiz–HowmanyrowswillreturnAnswertoQuiz–HowmanyrowswillreturnWhatistheOrderofPrecedenceUsingParenthesestochangetheOrderofPrecedenceUsinganINListinplaceofORTheINListisanExcellentTechniqueINListvs.
ORbringsthesameResultsTheINListCanUseCharacterDataUsingaNOTINListNullValuesinaNOTINListBringBackNoRowsATechniqueforHandlingNullswithaNOTINListBETWEENisInclusiveNOTBETWEENisAlsoInclusiveLIKEcommandUnderscoreisWildcardforoneCharacterLIKEcommandusingaRangeofValuesLIKEcommandusingaNOTRangeofValuesLIKECommandWorksDifferentlyonCharVsVarcharTroubleshootingLIKECommandonCharacterDataIntroducingtheRTRIMCommandQuiz–WhatDataisLeftJustifiedandwhatisRightNumbersareRightJustifiedandCharacterDataisLeftAnswer–WhatDataisLeftJustifiedandwhatisRightAnExampleofDatawithLeftandRightJustificationAVisualofCHARACTERDatavs.
VARCHARDataRTRIMcommandRemovesTrailingspacesonCHARDataUsingLikewithanANDClausetoFindMultipleLettersUsingLikewithanORClausetoFindEitherLettersDeclaringaVariableandusingitwiththeLIKECommandEscapeCharacterintheLIKECommandchangesWildcardsEscapeCharactersTurnoffWildcardsintheLIKECommandQuiz–TurnoffthatWildcardANSWER–ToFindthatWildcardDistinct,GroupByandTOPTheDistinctCommandDistinctvs.
GROUPBYQuiz–HowmanyrowscomebackfromtheDistinctAnswer–HowmanyrowscomebackfromtheDistinctTOPCommandTOPCommandisbrilliantwhenORDERBYisused!
TOPCommandwithPERCENTTOPCommandwithPERCENTTheTOPCommandWITHTIESTheTOPCommandUsingaVariableTheTOP1CommandforaRandomSampleAggregationQuiz–YoucalculatetheAnswerSetinyourownMindAnswer–YoucalculatetheAnswerSetinyourownMindThe3RulesofAggregationThereareFiveAggregatesQuiz–HowmanyrowscomebackAnswer–HowmanyrowscomebackTroubleshootingAggregatesGROUPBYwhenAggregatesandNormalColumnsMixGROUPBYdeliversonerowperGroupCount_BigLimitingRowsandImprovingPerformancewithWHEREWHEREClauseinAggregationlimitsunneededCalculationsKeywordHAVINGtestsAggregatesaftertheyaretotaledCHECKSUM_AGGtoCheckIfaTableHasChangedUsingDistinctWithintheAggregateGroupbyGroupingSetsGroupbyRollupAnswerSetforGroupbyRollupQueryCreatingaCubeAnswerSetforCubeQueryAnEasyExampleofCreatingaCubeQuiz-GROUPBYGROUPINGSETSChallengeAnswerToQuiz-GROUPBYGROUPINGSETSChallengeGettingtheAverageValuesperColumnAverageValuesperColumnforallColumnsinaTableJoinFunctionsATwo-TableJoinUsingTraditionalSyntaxAtwo-tablejoinusingNon-ANSISyntaxwithTableAliasYouCanFullyQualifyAllColumnsAtwo-tablejoinusingANSISyntaxBothQuerieshavethesameResultsandPerformanceQuiz–CanYouFinishtheJoinSyntaxAnswertoQuiz–CanYouFinishtheJoinSyntaxQuiz–CanYouFindtheErrorAnswertoQuiz–CanYouFindtheErrorSuperQuiz–CanYouFindtheDifficultErrorAnswertoSuperQuiz–CanYouFindtheDifficultErrorQuiz–Whichrowsfrombothtableswon'treturnAnswertoQuiz–WhichrowsfrombothtablesWon'tReturnLEFTOUTERJOINLEFTOUTERJOINResultsRIGHTOUTERJOINRIGHTOUTERJOINExampleandResultsFULLOUTERJOINFULLOUTERJOINResultsWhichTablesaretheLeftandwhichTablesareRightAnswer-WhichTablesaretheLeftandwhicharetheRightINNERJOINwithAdditionalANDClauseANSIINNERJOINwithAdditionalANDClauseANSIINNERJOINwithAdditionalWHEREClauseOUTERJOINwithAdditionalWHEREClauseOUTERJOINwithAdditionalANDClauseOUTERJOINwithAdditionalANDClauseResultsQuiz–WhyisthisconsideredanINNERJOINEvaluationOrderforOuterQueriesTheDREADEDProductJoinTheDREADEDProductJoinResultsTheHorrifyingCartesianproductJoinTheANSICartesianJoinwillERRORQuiz–DotheseJoinsReturntheSameAnswerSetAnswer–DotheseJoinsReturntheSameAnswerSetTheCROSSJOINTheCROSSJOINAnswerSetTheSelfJoinTheSelfJoinwithANSISyntaxQuiz–WillbothqueriesbringbackthesameAnswerSetAnswer–WillbothqueriesbringbackthesameAnswerSetQuiz–WillbothqueriesbringbackthesameAnswerSetAnswer–WillbothqueriesbringbackthesameAnswerSetHowwouldyoujointhesetwotablesAnAssociativeTableisaBridgethatJoinsTwoTablesQuiz–Canyouwritethe3-TableJoinAnswertoquiz–Canyouwritethe3-TableJoinQuiz–Canyouwritethe3-TableJointoANSISyntaxAnswer–Canyouwritethe3-TableJointoANSISyntaxQuiz–CanyouPlacetheONClausesattheEndAnswer–CanyouPlacetheONClausesattheEndThe5-TableJoin–LogicalInsuranceModelQuiz-WriteaFiveTableJoinUsingANSISyntaxAnswer-WriteaFiveTableJoinUsingANSISyntaxQuiz-WriteaFiveTableJoinUsingNon-ANSISyntaxAnswer-WriteaFiveTableJoinUsingNon-ANSISyntaxQuiz–Re-WritethisputtingtheONclausesattheENDAnswer–Re-WritethisputtingtheONclausesattheENDDateFunctionsCurrent_TimestampGetdateDateandTimeKeywordsSYSDATETIMEOFFSETProvidestheTimezoneOffsetSYSDATETIMEOFFSETProvidestheTimezoneOffsetUsingbothCASTandCONVERTinLiteralValuesUsingBothCASTandCONVERTinLiteralValuesUsingbothCASTandCONVERTinLiteralValuesTheDATEADDFunctionTheDATEDIFFFunctionDATEADDFunctionARealWorldExampleforDateAddUsingtheOrderTableDATEPARTFunctionDATEPARTFunctionExamplesYEAR,MONTH,andDAYFunctionsABetterTechniqueforYEAR,MONTH,andDAYFunctionsDATENAMEFunctionDateFormattingTimeFormattingISDATEFunctionTemporaryTablesTherearethreetypesofTemporaryTablesinTEMPDBTablesinTEMPDBarenotyouronlyTemporaryStorageWhatisTEMPDBCreatingaPrivateTemporaryTableYouPopulateaPrivateTemporaryTablewithanINSERT/SELECTTheThreeStepstoUseaPrivateTemporaryTableCreatingaGlobalTemporaryTableYouPopulateaGlobalTemporaryTablewithanINSERT/SELECTTheThreeStepstoUseaGlobalTemporaryTableCreatingaDirectTemporaryTableYouPopulateaDirectTemporaryTablewithanINSERT/SELECTTheThreeStepstoUseaDirectTemporaryTableCREATINGADerivedTableNamingtheDerivedTableAliasingtheColumnNamesintheDerivedTableMultipleWaystoAliastheColumnsinaDerivedTableCREATINGaDerivedTableusingtheWITHCommandTheSameDerivedQueryshownThreeDifferentWaysMULTIPLEDerivedTablesusingtheWITHCommandColumnAliasCanDefaultForNormalColumnsMostDerivedTablesAreUsedToJoinToOtherTablesAJoinExampleShowingDifferentColumnAliasStylesTheThreeComponentsofaDerivedTableVisualizeThisDerivedTableOurJoinExampleWiththeWITHSyntaxQuiz-AnswertheQuestionsAnswertoQuiz-AnswertheQuestionsCleverTricksonAliasingColumnsinaDerivedTableADerivedTablelivesonlyforthelifetimeofasinglequeryAnExampleofTwoDerivedTablesinaSingleQueryRECURSIVEDerivedTableHierarchyRECURSIVEDerivedTableQueryRECURSIVEDerivedTableDefinitionWITHRECURSIVEDerivedTableSeedingWITHRECURSIVEDerivedTableLoopingRECURSIVEDerivedTableLoopinginSlowMotionRECURSIVEDerivedTableLoopingContinuedRECURSIVEDerivedTableLoopingContinuedRECURSIVEDerivedTableEndstheLoopingRECURSIVEDerivedTableDefinitionRECURSIVEDerivedTableAnswerSetUsingaTableVariableSub-queryFunctionsAnINListismuchlikeaSubqueryAnINListNeverhasDuplicates–JustlikeaSubqueryAnINListIgnoresDuplicatesTheSubqueryTheThreeStepsofHowaBasicSubqueryWorksTheseareEquivalentQueriesTheFinalAnswerSetfromtheSubqueryQuiz-AnswertheDifficultQuestionAnswertoQuiz-AnswertheDifficultQuestionShouldyouuseaSubqueryofaJoinQuiz-WritetheSubqueryAnswertoQuiz-WritetheSubqueryQuiz-WritetheMoreDifficultSubqueryAnswertoQuiz-WritetheMoreDifficultSubqueryQuiz–WritetheExtremeSubqueryAnswertoQuiz–WritetheExtremeSubqueryQuiz-WritetheSubquerywithanAggregateAnswertoQuiz-WritetheSubquerywithanAggregateQuiz-WritetheCorrelatedSubqueryAnswertoQuiz-WritetheCorrelatedSubqueryTheBasicsofaCorrelatedSubqueryTheTopQueryalwaysrunsfirstinaCorrelatedSubqueryCorrelatedSubqueryExamplevs.
aJoinwithaDerivedTableQuiz-ASecondChancetoWriteaCorrelatedSubqueryAnswer-ASecondChancetoWriteaCorrelatedSubqueryQuiz-AThirdChancetoWriteaCorrelatedSubqueryAnswer-AThirdChancetoWriteaCorrelatedSubqueryQuiz-LastChancetoWriteaCorrelatedSubqueryAnswer–LastChancetoWriteaCorrelatedSubqueryQuiz–WritetheExtremeCorrelatedSubqueryAnswerToQuiz–WritetheExtremeCorrelatedSubqueryQuiz-WritetheNOTSubqueryAnswertoQuiz-WritetheNOTSubqueryQuiz-WritetheSubqueryusingaWHEREClauseAnswer-WritetheSubqueryusingaWHEREClauseQuiz–WritetheTripleSubqueryAnswertoQuiz–WritetheTripleSubqueryQuiz–HowmanyrowsreturnonaNOTINwithaNULLAnswer–HowmanyrowsreturnonaNOTINwithaNULLHowtohandleaNOTINwithPotentialNULLValuesUsingaCorrelatedExistsHowaCorrelatedExistsmatchesupTheCorrelatedNOTExistsTheCorrelatedNOTExistsAnswerSetQuiz–HowmanyrowscomebackfromthisNOTExistsAnswer–HowmanyrowscomebackfromthisNOTExistsWindowFunctionsOLAPTheRow_NumberCommandQuiz–HowdidtheRow_NumberResetQuiz–HowdidtheRow_NumberResetUsingaDerivedTableandRow_NumberOrderedAnalyticsOVERRANKandDENSERANKRANKDefaultstoAscendingOrderGettingRANKtoSortinDESCOrderRANK()OVERandPARTITIONBYCSUM–RowsUnboundedPrecedingExplainedCSUM–MakingSenseoftheDataCSUM–MakingEvenMoreSenseoftheDataCSUM–TheMajorandMinorSortKey(s)TheANSICSUM–GettingaSequentialNumberTroubleshootingtheANSIOLAPonaGROUPBYResetwithaPARTITIONBYStatementPARTITIONBYonlyResetsaSingleOLAPnotALLofthemCURRENTROWANDUNBOUNDEDFOLLOWINGDifferentWindowingOptionsMovingSumhasaMovingWindowHowANSIMovingSUMHandlestheSortQuiz–HowisthatTotalCalculatedAnswertoQuiz–HowisthatTotalCalculatedMovingSUMevery3-rowsVsaContinuousAveragePartitionbyResetsanANSIOLAPTheMovingWindowisCurrentRowandPrecedingHowMovingAverageHandlestheSortMovingAverageMovingAverageQuiz–HowisthatTotalCalculatedAnswertoQuiz–HowisthatTotalCalculatedQuiz–Howisthat4thRowCalculatedAnswertoQuiz–Howisthat4thRowCalculatedMovingAverageevery3-rowsVsaContinuousAveragePartitionbyResetsanANSIOLAPMovingDifferenceusingANSISyntaxMovingDifferenceusingANSISyntaxwithPartitionByCOUNTOVERforaSequentialNumberCOUNTOVERwithoutRowsUnboundedPrecedingQuiz–WhatcausedtheCOUNTOVERtoResetAnswertoQuiz–WhatcausedtheCOUNTOVERtoResetTheMAXOVERCommandMAXOVERwithPARTITIONBYResetMAXOVERWithoutRowsUnboundedPrecedingTheMINOVERCommandTroubleshootingMINOVERFindingaValueofaColumnintheNextRowwithMINTheCSUMforEachProduct_IdandtheNextStartDateQuiz–FillintheBlankAnswer–FillintheBlankHowNtileWorksNtileNtileContinuedNtilePercentileAnotherNtileExampleUsingTertiles(PartitionsofFour)NTILENTILEUsingaValueof10NTILEwithaPartitionUsingFIRST_VALUEFIRST_VALUEFIRST_VALUEafterSortingbytheHighestValueFIRST_VALUEwithPartitioningUsingLAST_VALUELAST_VALUEUsingLAGandLEADUsingLEADUsingLEADWithandOffsetof2LEADLEADWithPartitioningUsingLAGLAGLAGwithPartitioningCUME_DISTSUM(SUM(n))WorkingwithStringsTheASCIIFunctionTheCHARFunctionTheUNICODEFunctionTheNCHARFunctionTheLENFunctionTheDATALENGTHFunctionConcatenationTheRTRIMandLTRIMCommandtrimsSpacesTheSUBSTRINGCommandUsingSUBSTRINGtomovebackwardsHowSUBSTRINGWorkswithaStartingPositionof-1HowSUBSTRINGWorkswithanEndingPositionof0ConcatenationandSUBSTRINGSUBSTRINGandDifferentAliasingTheLEFTandRIGHTFunctionsFourConcatenationsTogetherTheDATALENGTHFunctionandRTRIMAVisualoftheTRIMCommandUsingConcatenationCHARINDEXFunctionFindsaLetter(s)PositioninaStringTheCHARINDEXCommandisbrilliantwithSUBSTRINGTheCHARINDEXCommandUsingaLiteralPATINDEXFunctionPATINDEXFunctiontoFindaCharacterPatternSOUNDEXFunctiontoFindaSoundDIFFERENCEFunctiontoQuantileaSoundTheREPLACEFunctionLENandREPLACEFunctionsforNumberofOccurrencesREPLICATEFunctionSTUFFFunctionSTUFFwithoutDeletingFunctionUPPERandlowerFunctionsChapter12-InterrogatingtheDataQuiz–WhatwouldtheAnswerbeAnswertoQuiz–WhatwouldtheAnswerbeTheNULLIFCommandQuiz–FillintheAnswersfortheNULLIFCommandAnswer–FillintheAnswersfortheNULLIFCommandTheCOALESCECommand–FillIntheAnswersTheCOALESCEAnswerSetCOALESCEisEquivalenttoThisCASEStatementTheBasicsofCAST(ConvertandStore)SomeGreatCAST(ConvertandStore)ExamplesSomeGreatCAST(ConvertandStore)ExamplesARoundingExampleQuiz-CASTExamplesAnswertoQuiz-CASTExamplesQuiz-TheBasicsoftheCASEStatementsAnswertoQuiz-TheBasicsoftheCASEStatementsUsinganELSEintheCaseStatementUsinganELSEasaSafetyNetRulesforaValuedCaseStatementRulesforaSearchedCaseStatementValuedCaseVs.
ASearchedCaseQuiz-ValuedCaseStatementAnswer-ValuedCaseStatementQuiz-SearchedCaseStatementAnswer-SearchedCaseStatementQuiz-WhenNOELSEispresentinCASEStatementAnswer-WhenNOELSEispresentinCASEStatementQuiz-WhenanAliasisNOTusedinaCASEStatementAnswer-WhenanAliasisNOTusedinaCASEStatementCombiningSearchedCaseandValuedCaseATrickforgettingaHorizontalCaseNestedCasePutaCASEintheORDERBYTableCreateandDataTypesCreatingaTablethatisaHeapHeapPageExtentsCreatingaTableThatHasaClusteredIndexClusteredIndexPageWhenDoICreateaClusteredIndexB-TreesTheBuildingofaB-TreeforaClusteredIndex(1of3)TheBuildingofaB-TreeforaClusteredIndex(2of3)TheBuildingofaB-TreeforaClusteredIndex(3of3)TheRowOffsetArrayistheGuidanceSystemforEveryRowTheRowOffsetArrayProvidesTwoSearchOptions(1of2)TheRowOffsetArrayProvidesTwoSearchOptions(2of2)TheRowOffsetArrayHelpswithInsertsAddinganIndexWhenDoICreateaNonClusteredIndexB-TreeforNonClusteredIndexonaClusteredTable(1of2)B-TreeforNonClusteredIndexonaClusteredTable(2of2)AddingaNonClusteredIndextoaHeapB-TreeforNonClusteredIndexonaHeapTable(1of2)B-TreeforaNonClusteredIndexonaHeapTable(2of2)SELECTINTOSELECTINTOAPrimaryKeyConstraintTheDifferencebetweenaPrimarykeyvs.
UniqueConstraintPrimaryKeyForeignKeyConstraintsMoreInformationaboutForeignKeyConstraintsCheckConstraintDefaultValuesIdentityColumnsComputedColumnsCompressionROWVERSIONViewFunctionsTheFundamentalsofViewsCreatingaSimpleViewtoRestrictSensitiveColumnsCreatingaSimpleViewtoRestrictRowsBasicRulesforViewsHowtoModifyaViewWhyBotherToALTERAViewTwoExceptionstotheORDERBYRuleinsideaViewHowtoGetHELPwithaViewHowtoGetHELPwithaViewViewssometimesCREATEDforFormattingorRowSecurityCreatingaViewtoJoinTablesTogetherYouSelectFromaViewAnotherWaytoAliasColumnsinaViewCREATETheStandardWayMostAliasingisdoneWhatHappensWhenBothAliasingOptionsArePresentResolvingAliasingProblemsinaViewCREATEAnswertoResolvingAliasingProblemsinaViewCREATEAggregatesonViewAggregatesAlteringaTableAlteringaTableafteraViewhasbeencreatedAViewthatErrorsafterAnALTERTroubleshootingaViewUpdatingDatainaTablethroughaViewLoadingDatathroughaViewMaintenanceRestrictionsonaTablethroughaViewDataManipulationLanguage(DML)INSERTSyntax#1INSERTExamplewithSyntax1INSERTSyntax#2INSERTExamplewithSyntax2INSERTExamplewithSyntax3INSERT/SELECTCommandINSERT/SELECTExampleusingAllColumns(*)INSERT/SELECTExamplewithLessColumnsTheUPDATECommandBasicSyntaxTwoUPDATEExamplesSubqueryUPDATECommandSyntaxExampleofSubqueryUPDATECommandJoinUPDATECommandSyntaxExampleofanUPDATEJoinCommandFastUPDATETheDELETECommandBasicSyntaxTwoDELETEExamplestoDELETEALLRowsinaTableToDELETEortoTRUNCATETRUNCATEisDifferentfromDELETEADELETEExampleDeletingonlySomeoftheRowsWanttoknowHowManyRowswerejustchangedSubqueryandJoinDELETECommandSyntaxExampleofSubqueryDELETECommandExampleofJoinDELETECommandMERGEINTOMERGEINTOMERGEINTOMERGEINTOMERGEINTOMERGEINTOExamplethatMatchesMERGEINTOExamplethatdoesNOTMatchUserDefinedFunctions(UDFs)UserDefinedFunctions(UDFs)UserDefinedFunctionExampleReplaceReplaceUserDefinedTypes(UDTs)SetOperatorsFunctionsRulesofSetOperatorsINTERSECTExplainedLogicallyINTERSECTExplainedLogicallyUNIONExplainedLogicallyUNIONExplainedLogicallyUNIONALLExplainedLogicallyUNIONALLExplainedLogicallyEXCEPTExplainedLogicallyAnotherEXCEPTExampleEXCEPTExplainedLogicallyinReverseOrderAnEqualAmountofColumnsinbothSELECTListColumnsintheSELECTlistshouldbefromthesameDomainTheTopQueryhandlesallAliasesTheBottomQuerydoestheORDERBYGreatTrick:PlaceyourSetOperatorinaDerivedTableUNIONVsUNIONALLUsingUNIONALLandLiteralsAGreatExampleofhowEXCEPTworksUSINGMultipleSETOperatorsinaSingleRequestChangingtheOrderofPrecedencewithParenthesesBuildingGroupingSetsUsingUNIONThreeGroupingSetsUsingaUNIONStoredProceduresCreatingaStoredProcedureExecutingaStoredProcedureThereareThreeWaystoExecuteaStoredProcedureDroppingaStoredProcedurePassinganInputParametertoaStoredProcedureExecutingWithPositionalParametersvs.
NamedParametersPassinganOutputParametertoaStoredProcedureChangingaStoredProcedurewithanALTERAnswerSetfortheAlteredStoredProcedureDisplayingaStoredProcedure'sDefinitionEncryptingaStoredProcedure'sDefinitionUsingaStoredProceduretoDeleteaRowADifferentMethodtoDeleteaRowDeletingaRowUsinganInputParameterUsingLoopsinStoredProceduresStoredProcedureWorkshopLoopingwithaWHILEStatementStatisticalAggregateFunctionsTheStatsTableAboveistheStats_Tabledatainwhichwewilluseinourstatisticalexamples.
TheVARandVARPFunctionsAVARExampleAVARPExampleTheSTDEVandSTDEVPFunctionsASTDEVExampleASTDEVPExampleNexusNexusisNowAvailableontheMicrosoftAzureCloudNexusQueriesEveryMajorSystemSetupofNexusisaseasyaspieSetupofNexusisaseasyas1,2,3NexusDataVisualizationNexusDataVisualizationNexusDataVisualizationShowsWhatTablesCanBeJoinedNexusisdoingaFive-TableJoinNexusGeneratestheSQLAutomaticallyNexusDeliverstheReportCross-SystemJoinsfromTeradata,OracleandSQLServerTheTaboftheSuperJoinBuilderThe9TabsoftheSuperJoinBuilder–ObjectsTab1SelectingColumnsintheObjectsTabThe9TabsoftheSuperJoinBuilder–ColumnsTab2RemovingColumnsfromtheReportintheColumnsTabThe9TabsoftheSuperJoinBuilder–SortingTab3The9TabsoftheSuperJoinBuilder–JoinsTab4The9TabsoftheSuperJoinBuilder–WhereTab5UsingtheWHERETabForAdditionalWHEREorANDThe9TabsoftheSuperJoinBuilder–SQLTab6The9TabsoftheSuperJoinBuilder–AnswerSetTab7The9TabsoftheSuperJoinBuilder–AnalyticsTab9AnalyticsTabAnalyticsTab–OLAPExampleAnalyticsTab–OLAPExampleofSQLGeneratedAnalyticsTab–GroupingSetsExampleAnalyticsTab–GroupingSetsAnswerSetNexusDataMovementMovingaSingleTabletoaDifferentSystemTheSingleTableDataMovementScreenMovinganEntireDatabasetoaDifferentSystemTheDatabaseMoverScreenTheDatabaseMoverOptionsTabConvertingDDLTableStructuresConvertingDDLTableStructuresConvertingDDLTableStructuresHoundDogCompressionHoundDogCompressiononTeradata
MinorSortsMultipleSortKeysusingNamesvs.
NumbersSortsareAlphabetical,NOTLogicalUsingACASEStatementtoSortLogicallyAnOrderbyThatUsesanExpressionHowtoALIASaColumnNameAliasingaColumnNamewithSpacesorReservedWordsAMissingCommacanbyMistakebecomeanAliasCommentsusingDoubleDashesareSingleLineCommentsCommentsforMulti-LinesCommentsforMulti-LinesasDoubleDashesperLineAGreatTechniqueforCommentstoLookforSQLErrorssp_helpattheDatabaseLevelsp_helpattheObjectLevelGettingSystemInformationGettingAdditionalSystemInformationTheWHEREClauseTheWHEREClauselimitsReturningRowsDoubleQuotedAliasesareforReservedWordsandSpacesUsingAColumnALIASInAWHEREClauseUsingAColumnALIASInAnORDERBYClauseInWhatOrderDoesSQLServerProcessAQueryCharacterDataneedsSingleQuotesintheWHEREClauseCharacterDataneedsSingleQuotes,butNumbersDon'tDeclaringaVariableComparisonsagainstaNullValueNULLmeansUNKNOWNDATAsoEqual(=)won'tWorkUseISNULLorISNOTNULLwhendealingwithNULLsNULLisUNKNOWNDATAsoNOTEqualwon'tWorkUseISNULLorISNOTNULLwhendealingwithNULLsUsingGreaterThanorEqualTo(>=)ANDintheWHEREClauseTroubleshootingANDORintheWHEREClauseTroubleshootingOrTroubleshootingCharacterDataUsingDifferentColumnsinanANDStatementQuiz–HowmanyrowswillreturnAnswertoQuiz–HowmanyrowswillreturnWhatistheOrderofPrecedenceUsingParenthesestochangetheOrderofPrecedenceUsinganINListinplaceofORTheINListisanExcellentTechniqueINListvs.
ORbringsthesameResultsTheINListCanUseCharacterDataUsingaNOTINListNullValuesinaNOTINListBringBackNoRowsATechniqueforHandlingNullswithaNOTINListBETWEENisInclusiveNOTBETWEENisAlsoInclusiveLIKEcommandUnderscoreisWildcardforoneCharacterLIKEcommandusingaRangeofValuesLIKEcommandusingaNOTRangeofValuesLIKECommandWorksDifferentlyonCharVsVarcharTroubleshootingLIKECommandonCharacterDataIntroducingtheRTRIMCommandQuiz–WhatDataisLeftJustifiedandwhatisRightNumbersareRightJustifiedandCharacterDataisLeftAnswer–WhatDataisLeftJustifiedandwhatisRightAnExampleofDatawithLeftandRightJustificationAVisualofCHARACTERDatavs.
VARCHARDataRTRIMcommandRemovesTrailingspacesonCHARDataUsingLikewithanANDClausetoFindMultipleLettersUsingLikewithanORClausetoFindEitherLettersDeclaringaVariableandusingitwiththeLIKECommandEscapeCharacterintheLIKECommandchangesWildcardsEscapeCharactersTurnoffWildcardsintheLIKECommandQuiz–TurnoffthatWildcardANSWER–ToFindthatWildcardDistinct,GroupByandTOPTheDistinctCommandDistinctvs.
GROUPBYQuiz–HowmanyrowscomebackfromtheDistinctAnswer–HowmanyrowscomebackfromtheDistinctTOPCommandTOPCommandisbrilliantwhenORDERBYisused!
TOPCommandwithPERCENTTOPCommandwithPERCENTTheTOPCommandWITHTIESTheTOPCommandUsingaVariableTheTOP1CommandforaRandomSampleAggregationQuiz–YoucalculatetheAnswerSetinyourownMindAnswer–YoucalculatetheAnswerSetinyourownMindThe3RulesofAggregationThereareFiveAggregatesQuiz–HowmanyrowscomebackAnswer–HowmanyrowscomebackTroubleshootingAggregatesGROUPBYwhenAggregatesandNormalColumnsMixGROUPBYdeliversonerowperGroupCount_BigLimitingRowsandImprovingPerformancewithWHEREWHEREClauseinAggregationlimitsunneededCalculationsKeywordHAVINGtestsAggregatesaftertheyaretotaledCHECKSUM_AGGtoCheckIfaTableHasChangedUsingDistinctWithintheAggregateGroupbyGroupingSetsGroupbyRollupAnswerSetforGroupbyRollupQueryCreatingaCubeAnswerSetforCubeQueryAnEasyExampleofCreatingaCubeQuiz-GROUPBYGROUPINGSETSChallengeAnswerToQuiz-GROUPBYGROUPINGSETSChallengeGettingtheAverageValuesperColumnAverageValuesperColumnforallColumnsinaTableJoinFunctionsATwo-TableJoinUsingTraditionalSyntaxAtwo-tablejoinusingNon-ANSISyntaxwithTableAliasYouCanFullyQualifyAllColumnsAtwo-tablejoinusingANSISyntaxBothQuerieshavethesameResultsandPerformanceQuiz–CanYouFinishtheJoinSyntaxAnswertoQuiz–CanYouFinishtheJoinSyntaxQuiz–CanYouFindtheErrorAnswertoQuiz–CanYouFindtheErrorSuperQuiz–CanYouFindtheDifficultErrorAnswertoSuperQuiz–CanYouFindtheDifficultErrorQuiz–Whichrowsfrombothtableswon'treturnAnswertoQuiz–WhichrowsfrombothtablesWon'tReturnLEFTOUTERJOINLEFTOUTERJOINResultsRIGHTOUTERJOINRIGHTOUTERJOINExampleandResultsFULLOUTERJOINFULLOUTERJOINResultsWhichTablesaretheLeftandwhichTablesareRightAnswer-WhichTablesaretheLeftandwhicharetheRightINNERJOINwithAdditionalANDClauseANSIINNERJOINwithAdditionalANDClauseANSIINNERJOINwithAdditionalWHEREClauseOUTERJOINwithAdditionalWHEREClauseOUTERJOINwithAdditionalANDClauseOUTERJOINwithAdditionalANDClauseResultsQuiz–WhyisthisconsideredanINNERJOINEvaluationOrderforOuterQueriesTheDREADEDProductJoinTheDREADEDProductJoinResultsTheHorrifyingCartesianproductJoinTheANSICartesianJoinwillERRORQuiz–DotheseJoinsReturntheSameAnswerSetAnswer–DotheseJoinsReturntheSameAnswerSetTheCROSSJOINTheCROSSJOINAnswerSetTheSelfJoinTheSelfJoinwithANSISyntaxQuiz–WillbothqueriesbringbackthesameAnswerSetAnswer–WillbothqueriesbringbackthesameAnswerSetQuiz–WillbothqueriesbringbackthesameAnswerSetAnswer–WillbothqueriesbringbackthesameAnswerSetHowwouldyoujointhesetwotablesAnAssociativeTableisaBridgethatJoinsTwoTablesQuiz–Canyouwritethe3-TableJoinAnswertoquiz–Canyouwritethe3-TableJoinQuiz–Canyouwritethe3-TableJointoANSISyntaxAnswer–Canyouwritethe3-TableJointoANSISyntaxQuiz–CanyouPlacetheONClausesattheEndAnswer–CanyouPlacetheONClausesattheEndThe5-TableJoin–LogicalInsuranceModelQuiz-WriteaFiveTableJoinUsingANSISyntaxAnswer-WriteaFiveTableJoinUsingANSISyntaxQuiz-WriteaFiveTableJoinUsingNon-ANSISyntaxAnswer-WriteaFiveTableJoinUsingNon-ANSISyntaxQuiz–Re-WritethisputtingtheONclausesattheENDAnswer–Re-WritethisputtingtheONclausesattheENDDateFunctionsCurrent_TimestampGetdateDateandTimeKeywordsSYSDATETIMEOFFSETProvidestheTimezoneOffsetSYSDATETIMEOFFSETProvidestheTimezoneOffsetUsingbothCASTandCONVERTinLiteralValuesUsingBothCASTandCONVERTinLiteralValuesUsingbothCASTandCONVERTinLiteralValuesTheDATEADDFunctionTheDATEDIFFFunctionDATEADDFunctionARealWorldExampleforDateAddUsingtheOrderTableDATEPARTFunctionDATEPARTFunctionExamplesYEAR,MONTH,andDAYFunctionsABetterTechniqueforYEAR,MONTH,andDAYFunctionsDATENAMEFunctionDateFormattingTimeFormattingISDATEFunctionTemporaryTablesTherearethreetypesofTemporaryTablesinTEMPDBTablesinTEMPDBarenotyouronlyTemporaryStorageWhatisTEMPDBCreatingaPrivateTemporaryTableYouPopulateaPrivateTemporaryTablewithanINSERT/SELECTTheThreeStepstoUseaPrivateTemporaryTableCreatingaGlobalTemporaryTableYouPopulateaGlobalTemporaryTablewithanINSERT/SELECTTheThreeStepstoUseaGlobalTemporaryTableCreatingaDirectTemporaryTableYouPopulateaDirectTemporaryTablewithanINSERT/SELECTTheThreeStepstoUseaDirectTemporaryTableCREATINGADerivedTableNamingtheDerivedTableAliasingtheColumnNamesintheDerivedTableMultipleWaystoAliastheColumnsinaDerivedTableCREATINGaDerivedTableusingtheWITHCommandTheSameDerivedQueryshownThreeDifferentWaysMULTIPLEDerivedTablesusingtheWITHCommandColumnAliasCanDefaultForNormalColumnsMostDerivedTablesAreUsedToJoinToOtherTablesAJoinExampleShowingDifferentColumnAliasStylesTheThreeComponentsofaDerivedTableVisualizeThisDerivedTableOurJoinExampleWiththeWITHSyntaxQuiz-AnswertheQuestionsAnswertoQuiz-AnswertheQuestionsCleverTricksonAliasingColumnsinaDerivedTableADerivedTablelivesonlyforthelifetimeofasinglequeryAnExampleofTwoDerivedTablesinaSingleQueryRECURSIVEDerivedTableHierarchyRECURSIVEDerivedTableQueryRECURSIVEDerivedTableDefinitionWITHRECURSIVEDerivedTableSeedingWITHRECURSIVEDerivedTableLoopingRECURSIVEDerivedTableLoopinginSlowMotionRECURSIVEDerivedTableLoopingContinuedRECURSIVEDerivedTableLoopingContinuedRECURSIVEDerivedTableEndstheLoopingRECURSIVEDerivedTableDefinitionRECURSIVEDerivedTableAnswerSetUsingaTableVariableSub-queryFunctionsAnINListismuchlikeaSubqueryAnINListNeverhasDuplicates–JustlikeaSubqueryAnINListIgnoresDuplicatesTheSubqueryTheThreeStepsofHowaBasicSubqueryWorksTheseareEquivalentQueriesTheFinalAnswerSetfromtheSubqueryQuiz-AnswertheDifficultQuestionAnswertoQuiz-AnswertheDifficultQuestionShouldyouuseaSubqueryofaJoinQuiz-WritetheSubqueryAnswertoQuiz-WritetheSubqueryQuiz-WritetheMoreDifficultSubqueryAnswertoQuiz-WritetheMoreDifficultSubqueryQuiz–WritetheExtremeSubqueryAnswertoQuiz–WritetheExtremeSubqueryQuiz-WritetheSubquerywithanAggregateAnswertoQuiz-WritetheSubquerywithanAggregateQuiz-WritetheCorrelatedSubqueryAnswertoQuiz-WritetheCorrelatedSubqueryTheBasicsofaCorrelatedSubqueryTheTopQueryalwaysrunsfirstinaCorrelatedSubqueryCorrelatedSubqueryExamplevs.
aJoinwithaDerivedTableQuiz-ASecondChancetoWriteaCorrelatedSubqueryAnswer-ASecondChancetoWriteaCorrelatedSubqueryQuiz-AThirdChancetoWriteaCorrelatedSubqueryAnswer-AThirdChancetoWriteaCorrelatedSubqueryQuiz-LastChancetoWriteaCorrelatedSubqueryAnswer–LastChancetoWriteaCorrelatedSubqueryQuiz–WritetheExtremeCorrelatedSubqueryAnswerToQuiz–WritetheExtremeCorrelatedSubqueryQuiz-WritetheNOTSubqueryAnswertoQuiz-WritetheNOTSubqueryQuiz-WritetheSubqueryusingaWHEREClauseAnswer-WritetheSubqueryusingaWHEREClauseQuiz–WritetheTripleSubqueryAnswertoQuiz–WritetheTripleSubqueryQuiz–HowmanyrowsreturnonaNOTINwithaNULLAnswer–HowmanyrowsreturnonaNOTINwithaNULLHowtohandleaNOTINwithPotentialNULLValuesUsingaCorrelatedExistsHowaCorrelatedExistsmatchesupTheCorrelatedNOTExistsTheCorrelatedNOTExistsAnswerSetQuiz–HowmanyrowscomebackfromthisNOTExistsAnswer–HowmanyrowscomebackfromthisNOTExistsWindowFunctionsOLAPTheRow_NumberCommandQuiz–HowdidtheRow_NumberResetQuiz–HowdidtheRow_NumberResetUsingaDerivedTableandRow_NumberOrderedAnalyticsOVERRANKandDENSERANKRANKDefaultstoAscendingOrderGettingRANKtoSortinDESCOrderRANK()OVERandPARTITIONBYCSUM–RowsUnboundedPrecedingExplainedCSUM–MakingSenseoftheDataCSUM–MakingEvenMoreSenseoftheDataCSUM–TheMajorandMinorSortKey(s)TheANSICSUM–GettingaSequentialNumberTroubleshootingtheANSIOLAPonaGROUPBYResetwithaPARTITIONBYStatementPARTITIONBYonlyResetsaSingleOLAPnotALLofthemCURRENTROWANDUNBOUNDEDFOLLOWINGDifferentWindowingOptionsMovingSumhasaMovingWindowHowANSIMovingSUMHandlestheSortQuiz–HowisthatTotalCalculatedAnswertoQuiz–HowisthatTotalCalculatedMovingSUMevery3-rowsVsaContinuousAveragePartitionbyResetsanANSIOLAPTheMovingWindowisCurrentRowandPrecedingHowMovingAverageHandlestheSortMovingAverageMovingAverageQuiz–HowisthatTotalCalculatedAnswertoQuiz–HowisthatTotalCalculatedQuiz–Howisthat4thRowCalculatedAnswertoQuiz–Howisthat4thRowCalculatedMovingAverageevery3-rowsVsaContinuousAveragePartitionbyResetsanANSIOLAPMovingDifferenceusingANSISyntaxMovingDifferenceusingANSISyntaxwithPartitionByCOUNTOVERforaSequentialNumberCOUNTOVERwithoutRowsUnboundedPrecedingQuiz–WhatcausedtheCOUNTOVERtoResetAnswertoQuiz–WhatcausedtheCOUNTOVERtoResetTheMAXOVERCommandMAXOVERwithPARTITIONBYResetMAXOVERWithoutRowsUnboundedPrecedingTheMINOVERCommandTroubleshootingMINOVERFindingaValueofaColumnintheNextRowwithMINTheCSUMforEachProduct_IdandtheNextStartDateQuiz–FillintheBlankAnswer–FillintheBlankHowNtileWorksNtileNtileContinuedNtilePercentileAnotherNtileExampleUsingTertiles(PartitionsofFour)NTILENTILEUsingaValueof10NTILEwithaPartitionUsingFIRST_VALUEFIRST_VALUEFIRST_VALUEafterSortingbytheHighestValueFIRST_VALUEwithPartitioningUsingLAST_VALUELAST_VALUEUsingLAGandLEADUsingLEADUsingLEADWithandOffsetof2LEADLEADWithPartitioningUsingLAGLAGLAGwithPartitioningCUME_DISTSUM(SUM(n))WorkingwithStringsTheASCIIFunctionTheCHARFunctionTheUNICODEFunctionTheNCHARFunctionTheLENFunctionTheDATALENGTHFunctionConcatenationTheRTRIMandLTRIMCommandtrimsSpacesTheSUBSTRINGCommandUsingSUBSTRINGtomovebackwardsHowSUBSTRINGWorkswithaStartingPositionof-1HowSUBSTRINGWorkswithanEndingPositionof0ConcatenationandSUBSTRINGSUBSTRINGandDifferentAliasingTheLEFTandRIGHTFunctionsFourConcatenationsTogetherTheDATALENGTHFunctionandRTRIMAVisualoftheTRIMCommandUsingConcatenationCHARINDEXFunctionFindsaLetter(s)PositioninaStringTheCHARINDEXCommandisbrilliantwithSUBSTRINGTheCHARINDEXCommandUsingaLiteralPATINDEXFunctionPATINDEXFunctiontoFindaCharacterPatternSOUNDEXFunctiontoFindaSoundDIFFERENCEFunctiontoQuantileaSoundTheREPLACEFunctionLENandREPLACEFunctionsforNumberofOccurrencesREPLICATEFunctionSTUFFFunctionSTUFFwithoutDeletingFunctionUPPERandlowerFunctionsChapter12-InterrogatingtheDataQuiz–WhatwouldtheAnswerbeAnswertoQuiz–WhatwouldtheAnswerbeTheNULLIFCommandQuiz–FillintheAnswersfortheNULLIFCommandAnswer–FillintheAnswersfortheNULLIFCommandTheCOALESCECommand–FillIntheAnswersTheCOALESCEAnswerSetCOALESCEisEquivalenttoThisCASEStatementTheBasicsofCAST(ConvertandStore)SomeGreatCAST(ConvertandStore)ExamplesSomeGreatCAST(ConvertandStore)ExamplesARoundingExampleQuiz-CASTExamplesAnswertoQuiz-CASTExamplesQuiz-TheBasicsoftheCASEStatementsAnswertoQuiz-TheBasicsoftheCASEStatementsUsinganELSEintheCaseStatementUsinganELSEasaSafetyNetRulesforaValuedCaseStatementRulesforaSearchedCaseStatementValuedCaseVs.
ASearchedCaseQuiz-ValuedCaseStatementAnswer-ValuedCaseStatementQuiz-SearchedCaseStatementAnswer-SearchedCaseStatementQuiz-WhenNOELSEispresentinCASEStatementAnswer-WhenNOELSEispresentinCASEStatementQuiz-WhenanAliasisNOTusedinaCASEStatementAnswer-WhenanAliasisNOTusedinaCASEStatementCombiningSearchedCaseandValuedCaseATrickforgettingaHorizontalCaseNestedCasePutaCASEintheORDERBYTableCreateandDataTypesCreatingaTablethatisaHeapHeapPageExtentsCreatingaTableThatHasaClusteredIndexClusteredIndexPageWhenDoICreateaClusteredIndexB-TreesTheBuildingofaB-TreeforaClusteredIndex(1of3)TheBuildingofaB-TreeforaClusteredIndex(2of3)TheBuildingofaB-TreeforaClusteredIndex(3of3)TheRowOffsetArrayistheGuidanceSystemforEveryRowTheRowOffsetArrayProvidesTwoSearchOptions(1of2)TheRowOffsetArrayProvidesTwoSearchOptions(2of2)TheRowOffsetArrayHelpswithInsertsAddinganIndexWhenDoICreateaNonClusteredIndexB-TreeforNonClusteredIndexonaClusteredTable(1of2)B-TreeforNonClusteredIndexonaClusteredTable(2of2)AddingaNonClusteredIndextoaHeapB-TreeforNonClusteredIndexonaHeapTable(1of2)B-TreeforaNonClusteredIndexonaHeapTable(2of2)SELECTINTOSELECTINTOAPrimaryKeyConstraintTheDifferencebetweenaPrimarykeyvs.
UniqueConstraintPrimaryKeyForeignKeyConstraintsMoreInformationaboutForeignKeyConstraintsCheckConstraintDefaultValuesIdentityColumnsComputedColumnsCompressionROWVERSIONViewFunctionsTheFundamentalsofViewsCreatingaSimpleViewtoRestrictSensitiveColumnsCreatingaSimpleViewtoRestrictRowsBasicRulesforViewsHowtoModifyaViewWhyBotherToALTERAViewTwoExceptionstotheORDERBYRuleinsideaViewHowtoGetHELPwithaViewHowtoGetHELPwithaViewViewssometimesCREATEDforFormattingorRowSecurityCreatingaViewtoJoinTablesTogetherYouSelectFromaViewAnotherWaytoAliasColumnsinaViewCREATETheStandardWayMostAliasingisdoneWhatHappensWhenBothAliasingOptionsArePresentResolvingAliasingProblemsinaViewCREATEAnswertoResolvingAliasingProblemsinaViewCREATEAggregatesonViewAggregatesAlteringaTableAlteringaTableafteraViewhasbeencreatedAViewthatErrorsafterAnALTERTroubleshootingaViewUpdatingDatainaTablethroughaViewLoadingDatathroughaViewMaintenanceRestrictionsonaTablethroughaViewDataManipulationLanguage(DML)INSERTSyntax#1INSERTExamplewithSyntax1INSERTSyntax#2INSERTExamplewithSyntax2INSERTExamplewithSyntax3INSERT/SELECTCommandINSERT/SELECTExampleusingAllColumns(*)INSERT/SELECTExamplewithLessColumnsTheUPDATECommandBasicSyntaxTwoUPDATEExamplesSubqueryUPDATECommandSyntaxExampleofSubqueryUPDATECommandJoinUPDATECommandSyntaxExampleofanUPDATEJoinCommandFastUPDATETheDELETECommandBasicSyntaxTwoDELETEExamplestoDELETEALLRowsinaTableToDELETEortoTRUNCATETRUNCATEisDifferentfromDELETEADELETEExampleDeletingonlySomeoftheRowsWanttoknowHowManyRowswerejustchangedSubqueryandJoinDELETECommandSyntaxExampleofSubqueryDELETECommandExampleofJoinDELETECommandMERGEINTOMERGEINTOMERGEINTOMERGEINTOMERGEINTOMERGEINTOExamplethatMatchesMERGEINTOExamplethatdoesNOTMatchUserDefinedFunctions(UDFs)UserDefinedFunctions(UDFs)UserDefinedFunctionExampleReplaceReplaceUserDefinedTypes(UDTs)SetOperatorsFunctionsRulesofSetOperatorsINTERSECTExplainedLogicallyINTERSECTExplainedLogicallyUNIONExplainedLogicallyUNIONExplainedLogicallyUNIONALLExplainedLogicallyUNIONALLExplainedLogicallyEXCEPTExplainedLogicallyAnotherEXCEPTExampleEXCEPTExplainedLogicallyinReverseOrderAnEqualAmountofColumnsinbothSELECTListColumnsintheSELECTlistshouldbefromthesameDomainTheTopQueryhandlesallAliasesTheBottomQuerydoestheORDERBYGreatTrick:PlaceyourSetOperatorinaDerivedTableUNIONVsUNIONALLUsingUNIONALLandLiteralsAGreatExampleofhowEXCEPTworksUSINGMultipleSETOperatorsinaSingleRequestChangingtheOrderofPrecedencewithParenthesesBuildingGroupingSetsUsingUNIONThreeGroupingSetsUsingaUNIONStoredProceduresCreatingaStoredProcedureExecutingaStoredProcedureThereareThreeWaystoExecuteaStoredProcedureDroppingaStoredProcedurePassinganInputParametertoaStoredProcedureExecutingWithPositionalParametersvs.
NamedParametersPassinganOutputParametertoaStoredProcedureChangingaStoredProcedurewithanALTERAnswerSetfortheAlteredStoredProcedureDisplayingaStoredProcedure'sDefinitionEncryptingaStoredProcedure'sDefinitionUsingaStoredProceduretoDeleteaRowADifferentMethodtoDeleteaRowDeletingaRowUsinganInputParameterUsingLoopsinStoredProceduresStoredProcedureWorkshopLoopingwithaWHILEStatementStatisticalAggregateFunctionsTheStatsTableAboveistheStats_Tabledatainwhichwewilluseinourstatisticalexamples.
TheVARandVARPFunctionsAVARExampleAVARPExampleTheSTDEVandSTDEVPFunctionsASTDEVExampleASTDEVPExampleNexusNexusisNowAvailableontheMicrosoftAzureCloudNexusQueriesEveryMajorSystemSetupofNexusisaseasyaspieSetupofNexusisaseasyas1,2,3NexusDataVisualizationNexusDataVisualizationNexusDataVisualizationShowsWhatTablesCanBeJoinedNexusisdoingaFive-TableJoinNexusGeneratestheSQLAutomaticallyNexusDeliverstheReportCross-SystemJoinsfromTeradata,OracleandSQLServerTheTaboftheSuperJoinBuilderThe9TabsoftheSuperJoinBuilder–ObjectsTab1SelectingColumnsintheObjectsTabThe9TabsoftheSuperJoinBuilder–ColumnsTab2RemovingColumnsfromtheReportintheColumnsTabThe9TabsoftheSuperJoinBuilder–SortingTab3The9TabsoftheSuperJoinBuilder–JoinsTab4The9TabsoftheSuperJoinBuilder–WhereTab5UsingtheWHERETabForAdditionalWHEREorANDThe9TabsoftheSuperJoinBuilder–SQLTab6The9TabsoftheSuperJoinBuilder–AnswerSetTab7The9TabsoftheSuperJoinBuilder–AnalyticsTab9AnalyticsTabAnalyticsTab–OLAPExampleAnalyticsTab–OLAPExampleofSQLGeneratedAnalyticsTab–GroupingSetsExampleAnalyticsTab–GroupingSetsAnswerSetNexusDataMovementMovingaSingleTabletoaDifferentSystemTheSingleTableDataMovementScreenMovinganEntireDatabasetoaDifferentSystemTheDatabaseMoverScreenTheDatabaseMoverOptionsTabConvertingDDLTableStructuresConvertingDDLTableStructuresConvertingDDLTableStructuresHoundDogCompressionHoundDogCompressiononTeradata
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hPK03163操作http重庆网络公司一九互联重庆本地的网约车平台有哪些？如何识别比较正规的网约车平台？outlookexpress家里电脑老是弹出“outlook express”这个东西，怎么除去啊？重庆电信dnsPSP上网急救！重庆电信的DNS是多少啊？360防火墙在哪里设置电脑或电脑360有联网防火墙吗，在哪里设置Usercuteftp银花珠树晓来看谜语白色花无人栽一夜北风遍地开。旡根无叶又无枝不知是谁送花来。谜底是什么银花珠树晓来看用黄皮比喻心酸的诗句正大天地网天地网微信移动办公平台