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微软官网资料Build a database IV Create queries for a new Access database.ppt

微软官网资料Build a database IV Create queries for a new Access database.ppt

ID：53050621

大小：1.13 MB

页数：30页

时间：2020-04-16

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1、Microsoft®Office Access®2007TrainingBuildadatabaseIV: CreatequeriesforanewAccessdatabase[Yourcompanyname]presents:BuildadatabaseIV:CreatequeriesforanewAccessdatabaseCoursecontentsOverview:Askyourdata—createqueriesLesson:GetanswersfromyourdataEachlessonincludesalistofsuggestedtasks

2、andasetoftestquestions.BuildadatabaseIV:CreatequeriesforanewAccessdatabaseOverview:Askyourdata—createqueriesIt’stimetocreatequeries,oneofthemostpowerfultoolsinyourdatabase.Sayyouwanttoknowhowmanycomputersyouown.Youcanbuildaquerytofetchthatdataandtotalthenumbers.Queriescanalsoprovi

3、dedataforyourformsandreports,whichcanhelpmakeyourdatabaseeasiertobuildanduse.Thiscourseintroducesqueriesandexplainshowtocreatethemostcommontype,aselectquery.BuildadatabaseIV:CreatequeriesforanewAccessdatabaseCoursegoalsUsetheQueryDesignertocreateaselectquerythatreturnsdatafromasin

4、gletable.Createaselectquerythatasksyoutoenterparameters,thenreturnsresultsthatmatchthoseparameters.Useaformulainaquerytocalculateasum.UsetheQueryWizardtocreateaselectquerythatreturnsdatafromtwotables.Useatextexpressiontoconcatenatefields.LessonGetanswersfromyourdataBuildadatabaseI

5、V:CreatequeriesforanewAccessdatabaseGetanswersfromyourdataYournewasset-trackingdatabaseiscomingalong.Youhavetables,relationships,anddata,sothenextstepistobuildsomequeries.Specifically,you’llcreateselectqueries.They’recomponentsthatretrieveandprocessyourdataanddisplaytheresultsinad

6、atasheet.Thequeryinthepicturetakesassetdatafromthefirsttable,thenamesoftechniciansfromthesecondtable,anddisplaystheresultinawaythatyoucanconsume.BuildadatabaseIV:CreatequeriesforanewAccessdatabaseThebasicsofcreatingselectqueriesAccessprovidestwoprimarywaystocreateselectqueries—the

7、QueryWizardandtheQueryDesigner.Regardlessofthetoolyouuse,youfollowsomecommonstepstocreatethequery.Startbychoosingarecordsourceforthequery.Arecordsourcecanbeoneormoretables,oneormorequeries,oracombinationofthetwo.Fromtherecordsource,selectthefieldsthatyouwanttoseeinthequery.Buildad

8、atabaseIV:CreatequeriesforanewAcc

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