《数据库处理-基础设计与实现(第十版)》-第一章-第一部分PPT课件_第1页
《数据库处理-基础设计与实现(第十版)》-第一章-第一部分PPT课件_第2页
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DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 1 DavidM Kroenke s ChapterOne IntroductionPartOne DatabaseProcessing Fundamentals Design andImplementation DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 2 ChapterObjectives TounderstandthenatureandcharacteristicsofdatabasesTosurveysomeimportantandinterestingdatabaseapplicationsTogainageneralunderstandingoftablesandrelationshipsTodescribethecomponentsofaMicrosoftAccessdatabasesystemandexplainthefunctionstheyperformTodescribethecomponentsofanenterprise classdatabasesystemandexplainthefunctionstheyperformTodefinethetermdatabasemanagementsystem DBMS anddescribethefunctionsofaDBMS DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 3 ChapterObjectives TodefinethetermdatabaseanddescribewhatiscontainedwithinthedatabaseTodefinethetermmetadataandprovideexamplesofmetadataTodefineandunderstanddatabasedesignfromexistingdataTodefineandunderstanddatabasedesignasnewsystemsdevelopmentTodefineandunderstanddatabasedesignindatabaseredesignTounderstandthehistoryanddevelopmentofdatabaseprocessing DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 4 TheCharacteristicsofDatabases ThepurposeofadatabaseistohelppeopletrackthingsofinteresttothemDataisstoredintables whichhaverowsandcolumnslikeaspreadsheet Adatabasemayhavemultipletables whereeachtablestoresdataaboutadifferentthingEachrowinatablestoresdataaboutanoccurrenceorinstanceofthethingofinterestAdatabasestoresdataandrelationships DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 5 DatainTables DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 6 TheKeyCharacteristicofDatabases RelatedTables DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 7 NamingConventionsinthisTextbook TableNamesarewrittenwithallcapitalletters STUDENT CLASS GRADEColumnnamesarewrittenwithaninitialcapitalletter andcompoundnamesarewrittenwithacapitalletteroneachword Term Section ClassNumber StudentName DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 8 DatabasesCreateInformation Data RecordedfactsandfiguresInformation KnowledgederivedfromdataDatabasesrecorddata buttheydosoinsuchawaythatwecanproduceinformationfromthedataThedataonSTUDENTs CLASSesandGRADEscouldproduceinformationabouteachstudent sGPA DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 9 DatabaseExamples DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 10 ComponentsofaDatabaseSystem MicrosoftAccess DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 11 MicrosoftAccess MicrosoftAccessisalow endproductintendedforindividualusersandsmallworkgroupsMSAccesstriestohidemuchoftheunderlyingdatabasetechnologyfromtheuserAgoodstrategyforbeginners butnotfordatabaseprofessionalsNOTE MSAccessisdiscussedindetailinAppendixA DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 12 MSAccessinDetail DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 13 Applications theDBMSandSQL ApplicationsarethecomputerprogramsthatusersworkwithTheDatabaseManagementSystem DBMS creates processesandadministersdatabasesStructuredQueryLanguage SQL isaninternationallyrecognizedstandarddatabaselanguagethatisusedbyallcommercialDBMSs DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 14 WhatIsMSAccess MSAccessisaDBMSplusanapplicationgenerator DBMScreates processesandadministersMSAccessdatabasesTheapplicationgeneratorincludesquery formandreportcomponentsTheMSAccessDBMSengineiscalledJet whichisnotsoldasaseparateproductMSAccess2000andlatercanbeusedasanapplicationgeneratorfortheMSSQLServerDBMS DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 15 Enterprise ClassDatabaseSystems DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 16 ProminentDBMSProducts MicrosoftAccessMicrosoftSQLServerNew MicrosoftSQLServerExpressIBMDB2OracleCorporationORACLEAnddon toverlookMySQL DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 17 DBMSPowervs EaseofUse DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 18 TheDatabase Adatabaseisaself describingcollectionofintegratedtablesThetablesarecalledintegratedbecausetheystoredataabouttherelationshipsbetweentherowsofdataAdatabaseiscalledself describingbecauseitstoresadescriptionofitselfTheself describingdataarecalledmetadata whichisdataaboutdata DAVIDM KROENKE SDATABASEPROCESSING 10thEdition 1 19 TypicalMetadataTables DAVIDM KROENKE SDATABA
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