计算机专业英语 Chapter 4.ppt

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1、DatabaseReadingChapter4WhatcanIdo??Theproblemissolved!Chapter4计算机专业英语WhatcanIdo??Background:RichardandMarkaregoodfriends.Theyareinthesameuniversity.RichardismajoringincomputerscienceandMarkisabusinesstrademajor.Theyoftengathertogethertohaveachat.Nowlet’shearwhattheyaretalkingabo

2、ut.Chapter4计算机专业英语WhatcanIdo??RICHARD:whatareyouuptothesedays?MARK:Mysisterwouldliketoopenanaudio-videoshop.I’mhelpingherwithit.RICHARD:Sellingaudio-videoproducts?MARK:Yea,aswellasrentalbusiness.Andwewanttomanagethesellingandrentalbusinesswiththehelpofcomputer.YouknowI’mnotfamil

3、iarwithcomputerwell.Canyouintroducesomethingrelatedtome?Chapter4计算机专业英语WhatcanIdo??RICHARD:Certainly.Thistaskisespeciallysuitedtoadatabase.Doyouknowsomethingaboutdatabase?MARK:Little.Database,theconceptseemstooabstracttocomprehend.RICHARD:That’squitetrueespeciallyforsomenon-comp

4、utermajor.Ithink,firstofall,youhavetofindsomematerialstoread.MARK:Yes,Iwill.Butnowcanyouexplaintomeinshortterms?Chapter4计算机专业英语WhatcanIdo??RICHARD:Allright.Simplyspeaking,adatabaseseemsahugestorehouseofdata,whichisorganizedinacertainwaywaitingtoberetrieved.Anddatabasesarealsover

5、ycommonontheWorldWideWeb.Forexample,Informationretrieval,E-CommerceandDynamicWebPagesarealltheexamplesofWebDatabasesinUse.MARK:Itsoundsinteresting.RICHARD:Otherwise,Isuggestthatyouconductbusinessonlinemeanwhile.MARK:Goodidea!I’lltalkwithmysisteraboutit.Thankyouverymuch!RICHARD:M

6、ypleasure!Chapter4计算机专业英语Contents4.4DatabasesandtheWeb4.2TheRelationalDatabaseModel4.1IntroductiontoDatabases4.3DatabaseLanguagesChapter4计算机专业英语4.1IntroductiontoDatabasesDatabase1physicallevel,logicallevel,viewlevel3databasemanagementsystem(DBMS)2Chapter4计算机专业英语4.1Introductionto

7、DatabasesWhatisadatabase?Whatisadatabasemanagementsystem(DBMS)?Doyouknowsomethingaboutphysicallevel,logicallevel,viewlevel?Chapter4计算机专业英语4.1IntroductiontoDatabasesAdatabasecansimplybedefinedasastructuredsetofdata.译文：数据库可以简单地定义为一组结构化的数据集。被定义为结构化的Chapter4计算机专业英语4.1IntroductiontoD

8、atabasesAdatabasemanagementsystem(DBMS),主句somet