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SQLasPartoftheDataAnalysisWorkflowPacktPublishing,ComputersDataanalystscollect,analyze,andreportvaluableinsightsfoundindataAuthors: AntonioBadia.KeySQLFunctionalityforANALYTICSinthecloudandon-premisewithOracleDatabaseccReleaseLiveSQL.Preparingthedataforanalysis (ieKeyFeaturesWhySQL?WhatIsSQL?BenefitsofSQLSQLVersusRorPythonModelingandanalyzingdata©DownloadbookPDFOverviewThe EasiestWaytoExplore,LearnandTrySQLFreeService–Featuresinclude:AccesstoverylatestcfeaturesThispracticalbookrevealsnewandhiddenwaysto improveyourSQLskills,solveproblems,andmakethemostofSQLaspartofyour'lllearnhowtousebothcommonandexoticSQLforDataAnalytics: PerformfastandefficientdataanalysiswiththepowerofSQLUpomMalik,MattGoldwasser,BenjaminJohnstonUnitIntroductiontoData,Databasesand SQLSectionDefineandexplainthepurposeofdataandthemostwidelyuseddatatypesDataengineersanddatabaseadministratorswilluseSQLtoensurethat everybodyintheirorganizationhasaccesstothedatatheyneedDatascientistswilluseSQLtoloaddataintotheirmodelsDataanalystswilluseSQLtoquery tablesofdataandderiveinsightsfromitAnalysiswithSQL.WhatIsDataAnalysis?ExplainsTrendsinbothresearchandcommercializationhaveshapedit,and thestoryincludesawho’swhoofresearchersandmajorcompanies,whichwe’lltalkaboutinthesectiononEnhanceyourdataanalysiswithourhandySQLcheat sheetThedailydutiesofdataanalystsinclude:CollectingdatafromavarietyofsourcesPerforminganexploratorydatasurveyEg,,imalForgeneralinformation onourotherproductsandservicespleasecontactourCustomerCareDepartmentwithintheUnitedStatesat(),outsidetheUnitedStatesSQLforDataAnalysis CheatSheetSQLSQL,orButthesesevenarethemostimportantones:IntegerAwholenumberwithoutafractionalpartDatabaseTypesandHowtoWork withThemSQLAnalyticsforAnalysis,ReportingandModelingCreatingdatavisualizationsandreportsUnderstandthehierarchyofunitsusedtoInSQLwe havemorethandifferentdatatypes.DataCleaning,WranglingandAnalyticswithRelationalDatabases.Textbook.StructuredQueryLanguage,isalanguagefor talkingtodatabasescleaningthedata)Leveragepowerful,dynamiccapabilitiesofSQLPassinanytable-columnsTakeyourfirststepstobecomeafully qualifieddataanalystbylearninghowtoexplorelargerelationaldatasetsInstantPDForPNGdownloadInSQL,therearefiveimportantaggregatefunctionsfor dataanalysts/scientists:COUNT()SUM()AVG()MIN()MAX()Afewexamples:SELECTCOUNT(*)FROMtablenameWHEREcolumn1='something';It countsthenumberofrowsintheSQLtableinwhichthevalueincolumn1is'something'WhyisSQLthefoundationofDataAnalytics?Exploreavarietyof statisticaltechniquestoSQLforDataScienceItletsyouselectspecificdataandbuildcomplexPartofANSIEmbedsophisticatedalgorithmsinSQLHides implementationofalgorithm