the underlying database. The Persistence Builderprovides a full set oftools
tosupport the development ofthesemappings, so thatthe businessobject
storagecan be madepersistent. Inthe development environment, the
Persistence Builder providesa set ofbrowsertools that allow the userto
developobject models and create mappingsto theunderlying database
schema. Figure 4 illustrates thepersistencelayers, thebrowsers used to
managethe metadata atdevelopmenttime,and thegenerated classes at
runtime.
Figu ...
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