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An Introduction to Object-Oriented Databases and Database ...

'PittsburghPA15213 AcknowledgmentstoInternationalBusinessMa chines, ,especiallyintheareasofCAD/CAMandmultime dia, ,suchsystemsprovidesupportforconcurrency control,atomicityofmultipleupdates,recov erability,authorization,versioning,andse arch( ).Sophisticatededitingapplications,howev er,requirebetterdatamodelingcapabilities thanthosenormallyprovidedbyexistingdatab asesystems( ).Thus, :objectidentity,directaccess,dataabstrac tionextensibility,inheritance,polymorphi sm,genericity,encapsulation,embeddedsema ntics, :objectcomposition,propertypropagation,c yclicqueries,indexingextensibility,relat ionshipsupport,databaseself-containment, :inparticular,MichaelMclnerny,DavidAnder son,JohnHoward, ' ' ,databasesprovidethemeanstostoredatabetw eeninvocationsofanapplication( ).

An Introduction to Object-Oriented Databases and Database Systems Michael L. Horowitz (mh I 1+@andrcw.cmu.cdu) ... 1 Introduction Databases fulfill several roles in the process of building computer applications. ... system, databases provide the means to store data between invocations of an application (i.e. persistence). Database systems ...

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