- Castor
- Presents the project that offers Java-to-SQL persistence and Java-to-XML binding. With recent news and document modifications.
- IntelliBO: Signsoft Intelligent Business Objects
- Defines the persistence middleware which supports the JDO. Mentions the attributes of the latest version and its development.
- Java Community Process
- Information about the Java-based data objects specification. Provides downloadable versions both old and new.
- Java Data Objects
- Discussion on the functionality and purpose of the persistence model. With a diagram of its enhancement procedure.
- JavaWorld: Persist Data with Java Data Objects
- Features articles on the persistence of JDO including diagrams, sample codes, and methods used for illustrating the discussion.
- JPOX
- Implementation that provides transparent persistence of objects in Java. Comprises downloads, documentation, product check list and history road map.
- O’Reilly On Java: Castor JDO
- Editorial about the Java data object on the Exolab. Allows registered users to post their comments reagarding the article.
- O’Reilly On Java: Flawed JDO Points the Way to the Objectbase
- Details the issues concerning the negative results on SQL and Java data object abstraction. Includes instructions in writing a user-defined type object table and mirror Java class with source codes provided.
- O’Reilly On Java: Flawed Understanding of JDO Leads to FUD
- Covers an article on the issues with the Java data object and an application program presenting a distinction between the Java database connectivity and Java data object.
- O’Reilly On Java: Using Castor JDO for SQL Mapping
- Discussion on the utilization of the multifaceted software tool with instructions provided. Includes the mapping root element code for illustration.
- Sun Micro Systems: Java Data Objects
- Showcases the Java-based application programming interface that is a model abstraction of persistence. Includes descriptions of its benefits, downloads, and related resources.
- TJDO Project Page
- Describes TriActive, a Java-written open source implementation built for maintaining transparent persistence. Proffers a downloadable version, tutorial, documentation and Javadocs.
- XORM
- Details the recent release of the object-relational mapping layer. Explains instructions in accessing and utilizing the project.
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