ocr: Developer Persistence Obest RDB Object Schema Model/ Bullder User Application Database Snapane Persistence object Relational Objects oplects server Data Figure 2. You can ouild applications with Persistence through the Persistence Object Builder and Snap-In Database Objects subsystems. The Persistence Object Builder generates the database objects that manage the mapping with your relational database of choice. The Snap-In Database Objects provide an 00 interface between the application objects and the relational data Persistence Object Server.