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1、vb公司仓库管理系统(VBwarehousemanagementsystem)Chapter1:companyintroductionandsystemrequirementanalysis1.1companyprofilesCathyisamotorsalescompany,themainbusinessisthepurchaseanddistributionofelectricmotors,asasalesagency,whichrequiresastoragepoolwiththemaindatabase,therecordeddatacanbesimple,andc
2、anbecarriedoutinmanyaspectsofquery,makethecompanyhavemoredetaileddatastatisticsandanalysis.Itsmainbusinessisshownbelow:1.manufacturerswarehousecustomersFigure1.1.12.queryfunction1)checkbytypeTherearetworesults:Agenerateswarehousingvolume,outboundquantity,andsectionmarginBgeneratestwodataso
3、urcetables,includingsourceandsourceofstorage;2)querybyunitResults:themodelnumber,productname,time(in/out)andunitpriceareproducedThetwobasictablesofdata,includingsuppliers,customers,suchasmodelnumber,delivery/storagetime,unitprice,invoicenumber,andcheckoutstatus;3.,thissystemmainlyusesVisua
4、lBasic'sembeddeddatabaseAccesstorecorddata;4.productinformation:Serialnumber(automaticallygenerated)andtype(text),storagetime(date),deliverytime(date),quantity(number),invoicenumber(text),unitprice(currency),manufacturername(text),suppliername(text),manufacturersandsupplierstelephone(digit
5、al),checkoutsituation(is[/no)is0,not-1]1.2analysisanddescriptionAccordingtothespecificrequirementsofthe1.1chapter,summarizethefollowingdataflow:Figure1.2.1dataflowTwo.Accordingtotheabovecircumstances,accordingtotherequirementsofthedesignofseveralrelateddatabaseTable:outboundandwarehousingI
6、nquiry:inquiresthebalance,thestorehouseinquiry,thewarehousinginquiry,themodelstorehouseinquiry,themodelwarehousinginquiry*themainoutboundtablepropertiesareshowninthefollowingtable:FieldnameattributeFieldsizeSerialnumberAutomaticgenerationLongintegerModeltextFiftyProductnametextFiftyOutboun
7、dquantitynumberLongintegerUnitPricecurrencyAutomaticdecimalOutboundtimeDate,YearmonthdayInvoicenumbertextFiftyCustomerphonetextFiftyCheckoutsituationYes/noTwoTable1.2.1*becausethewarehousetablesaresimilartotheoutboundones,Idon'telaborateonthem.*inordertofacili
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