Joinsql
mysql下载 时间:2021-03-01 阅读:()
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
- Joinsql相关文档
- 服务mysql下载
- 所示5.6版本MySQL的下载、安装及配置过程
- 安装MySQL下载安装、配置与使用(win7x64)
- 安装[msn怎么下载安装使用]MySQL下载安装、配置与使用（win7x64）
- 安装[mysql安装图解]MySQL下载与安装5.6.10.1安装图解
- 安装[mysql安装图解]MySQL下载与安装5.6.10.1安装图解
半月湾hmbcloud升级500Mbps带宽,原生VPS，$4.99/月
关于半月湾HMBCloud商家之前也有几篇那文章介绍过这个商家的产品，对于他们家的其他产品我都没有多加留意，而是对他们家的DC5机房很多人还是比较喜欢的，这个比我们有些比较熟悉的某商家DC6 DC9机房限时，而且半月湾HMBCloud商家是相对便宜的。关于半月湾DC5机房的方案选择和介绍：1、半月湾三网洛杉矶DC5 CN2 GIA同款DC6 DC9 1G内存 1TB流量 月$4.992、亲测选择半...
CloudCone闪购优惠洛杉矶MC机房VPS月$1.99 便宜可随意删除重开
CloudCone商家我们很多喜欢低价便宜VPS主机的肯定是熟悉的，个人不是特别喜欢他。因为我之前测试过几次，开通的机器IP都是不通的，需要删除且开通好几次才能得到一个可用的IP地址。当然他们家的优势也是有的，就是价格确实便宜，而且还支持删除重新开通，而且机房只有一个洛杉矶MC。实话，如果他们家能多几个机房，保持现在的特点，还是有很多市场的。CloudCone是来自美国的主机销售商，成立于2017...
PacificRack：洛杉矶KVM月付1.5美元起,1G内存套餐年付12美元起
PacificRack在本月发布了几款特价产品，其中最低款支持月付仅1.5美元，基于KVM架构，洛杉矶机房，PR-M系列。PacificRack简称PR，QN机房旗下站点，主要提供低价VPS主机产品，基于KVM架构，数据中心为自营洛杉矶机房，现在只有PR-M一个系列，分为了2个类别：常规(Elastic Compute Service)和多IP产品(Multi IP Server)。下面列出几款秒...
mysql下载为你推荐
-
http500网站打开显示500内部服务器错误，是什么原因？怎么解决？人人视频总部基地落户重庆2019.5.30号以后重庆有了新的迁入户口政策，请问外省户口以一般人才方式迁入重庆，可以按揭买房吗社区动力如何建立一个论坛？就是社区动力discuz论坛 这个discuz！是不是一个软件？关于建立论坛给个系统的的教dezenderPHP高手来drupal主题Drupal比DEDE等国内CMS好在哪里？discuz下载谁给我发下Discuz-x2.5安装教程dedecmsdedecms是做什么的一键备份如何一键备份安卓手机操作系统帝国cms帝国CMS能做出网站后台么?超级用户请问怎么更改计算机的用户名(超级用户)