外文资料原文DatabaseSystemsIntroductiontoDatabaseSystemToday,morethanatanyprevioustime,urateandtimelydataaboutitsoperation,tomanagethisdataeffectively,,,,,auniversitydatabasemightcontaininformationaboutthefollowing.●Entitiessuchasstudents,faculty,courses,andclassrooms.●Relationshipsbetweenentities,suchasstudents’enrollmentincourses,facultyteachingcourses,,orDBMS,issoftwaredesignedtoassistinmaintainingandutilizinglargecollectionsofdata,andtheneedforsuchsystems,aswellastheiruse,,forexample,tostorethedatainfilesandwriteapplication-,includinglanguages,object-pilation,operatingsystemsconcurrentprogramming,datastructures,algorithms,theory,parallelanddistributedsystems,userinterfaces,expertsystemsandartificialintelligence,statisticaltechniques,-line,,interactivevideo,digitallibraries,ahostofscientificprojectssuchasthehumangenomemappingeffortandNASA’sEarthObservationSystemproject,paniestoconsolidatetheirdecision-mercially,,
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