Integrates Java objects, XML documents, SQL relational databases and LDAP directories in a unified model that allows information to be exchanged, persisted and manipulated in a variety of ways. Supports JDO. [Open Source, BSD-like]

A home page for JSR-000012, Java Data Objects.

Starting with an introduction to JDO, it provides detailed code samples of developing applications with JDO. Articles and tutorials related to JDO.

JDO implementation using JDBC. A fork of TJDO with application identity, support for existing schemas, and conformance for J2EE. [Open source, Apache 2 license]

The Proposed Final Draft of the JDO 1.1 specification for object-relational mapping on the Java platform.

This expert perspective lays it on the line: Exolab's Castor JDO product does not support the JDO standard.

Java Data Objects (JDO) is neither a silver bullet nor without merit. But its most important contribution may be to wake developers up to the coming paradigm shift: from database to objectbase, a place where not only data but data and behaviors are st...

In this scathing response to Don Bales' recent critique of Java Data Objects, David Jordan offers proof that JDO does not regard SQL as a bad thing, yields shorter and simpler code, and is vendor-neutral.

An in-depth look at using Castor's marshalling engine to do data binding of Java objects to tables, rows, and columns in an SQL database.

Implements the JDO and JPA specifications, providing transparent persistence for Java objects to a relational database. By Oracle, Corp. [Commercial]