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该【软件工程(外文翻译文献) 】是由【青山代下】上传分享，文档一共【20】页，该文档可以免费在线阅读，需要了解更多关于【软件工程(外文翻译文献) 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。:..外文文献资料1、,softwareengineeringisthesystemticapplicationoftoolsandputer-,goal-oriented,enjoyable,-orientedmethodologyisanapproachtosystemlifecycledevelopmentthattakesatop-downviewofdataobjects,theirallowableactions,,thatis,binedtogether,toformabstractdatatypesEncapsulationmeansthatifIknowwhatdataIwant,-down,,,,,isthatweareconstantlytryingtohit1:..’talwaysfreetodowhatwelikeanditishardtochangehabitsandculturesfromtheoldwayofdoingthings,,anizationsdon’tusegoodsoftwareengineeringpractices,whyshouldIbotherlearningthem?,ifyouneverknowtherightthingtodo,,smallstepsofchangeinsteadofrevolutionary,,、DataBaseSystem1、IntroductionThedevelopmentofcorporatedatabaseswillbeoneofthemostimportantdata-,,avastnewdemandisgrowingfordatabaseservices,anize,,,databankswillchangetheareasofwhatitispossible2:..,ingofcomputerdatabanksandtheirassociatedfacilitiesasastepwhichchangedthenatureoftheevolutionofsociety,,,datainfacsimileform,photo-graphs,humanspeech,,,,therearesolid--access-,,itislikelythaton--esstime,,three,orfourlevelsofstorageareused,emorecomplex,probablywithpagingmechanismstomovedatabetweenthelevels;solid-statestorageoffersthepossibilityofparallelsearchoperationandassociative3:..-’stime,,however,,,,,,,whichoughttoeffecttheanization,(DBMS)---relationship(E-R)approachusesentity--R4:..:(1)Dataanalysis(2)Producingandoptimizingtheentitymodel.(3)Logicalschemadevelopment(4)(DBMS)describestheuser’sviewofdata,--basesystemsandmanytypesoftechniquethatonecanuseisanswertothequestionsomany;infact,,newsoftwaretechniques,,,、;thedataarestoredsothattheyareindependentofprogramswhichusethe5:..data;,real-timeprocessing,orin-,DBMS,-,,data-,,:..Ifthefunctionofadatabaseweremerelytostoredata,,-“personnelrecord”,-basemanagementsystem,,-levellanguage,enablingonetodescribetheconceptualschemaintermsofa“datamodel”.Thechoiceofadatamodelisadifficultone,sinceitmustberichenoughinstructuretodescribesignificantaspectsoftherealworld,,manydatabasesinvolvemillionsofbytes,:..3、,:,theentitiesandtheirrelationshipsarerepresentedbytwo-

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