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DataNucleus Access Platform is astandards-compliant Java persistence product. Itis fully compliant with the JDO1, JDO2, JDO2.1,and JPA1 Java standards. It also complies with theOGC Simple Feature Specification for persistenceof geospatial Java types. It allows access to allpopular RDBMSs available today, together withdb4o, LDAP, NeoDatis, JSON, Excel documents, andXML databases.License: The Apache License 2.0Changes:
JDO persistence has been migrated to theforthcoming JDO2.2 standard. Support for JDO2.2dynamic fetch groups has been added (this waspreviously a vendor extension). Generic querycompilation support for chained method invocationswas added. Support for dynamic RDBMS schemaupgrades for 1-1 interface fields was added.Support for the use of datastore identity withExcel datastores was added. Support for cascadedelete with NeoDatis datastores was added. A bugwas fixed in cascade delete for db4o datastores. Abug was fixed for persistence/retrieval of objectwrapper field values with Excel datastores.



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