InfoQ Homepage Data Access Content on InfoQ
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Apache Derby Releases 10.3 Beta and Gains Experimental Hot Standby Replication
The Apache Derby project has made a beta available of the upcoming 10.3 release. The 10.3 release includes security enhancements, language-based ordering, other features, bug fixes, and performance enhancements. Egil Sørensen, a student at the Norwegian University of Science and Technology, has also submitted his MS thesis work to add hot standby replication functionality to Derby.
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OpenJPA adopted by both IBM and BEA; becomes top-level Apache project
Apache OpenJPA has been gaining momentum in the JEE world, having been adopted by BEA as the EJB3 JPA implementation in WebLogic Server 10 and in the most recent EJB3 Feature Pack for IBM WebSphere Application Server. OpenJPA started its life in BEA's Kodo product, whose code was donated to the ASF in 2006; the project just recently graduated from the Apache Incubator as well.
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Hibernate Search: Indexed Full Text Search of your Domain Model
The second beta of the new Hibernate Search project was recently released. InfoQ spoke to project lead Emmanuel Bernard to find out more. The Hibernate Search project is aimed at users of Hibernate or JPA that want to make their Hibernate/JPA-managed objects accessible via indexed, full-text search.
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Debate: ODBMS sometimes a better alternative to O/R Mapping?
In a recently released article on ODBMS.org, Ted Neward elaborated upon his idea that Object/Relational Mapping (ORM) is the Vietnam of Computer Science. Ted says that OODBMS' are better than RDBMS' for some types of apps. A number of people weighed in to the debate, including Hibernate founder Gavin King.
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Java and .NET Libraries for Open XML
With the new OpenXML format, there is the promise of an clean and efficient way to manipulate Office documents via XML. But with a 6000+ page spec, finding the exact nodes one needs to manipulate is a non-trivial task. To address this, OpenXML libraries for both Java and .NET are in the works.
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Entity Services - Pattern or Anti-pattern?
Entity Services or business-centric entities are considered by some to be a corner stone of Service Oriented Architecture - however not everyone agrees with this view. So are Entity Services a pattern or an anti-pattern for SOA?
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Article: Using Java to Crack Office 2007
Office file manipulation used to be difficult, but since Office 2007, Word, Excel and Powerpoint files can be read and written without anything more complicated than the native JDK itself because Office 2007 documents are now nothing more than ZIP files of XML documents. Ted Neward demonstrates this in action.
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Interview: LINQ Creator Erik Meijer
In this InfoQ interview, LINQ creator Erik Meijer talks about the design and capabilities of LINQ, how to use it, why to use it, how it differs from XQuery, how it addresses ORM, extension methods, EDM, and more.
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Jasper: ORM without Code Generators or Configuration Files
Jasper is Microsoft's new ORM project designed for rapid application development. And unlike earlier Microsoft projects, this one does not require code generators. The goal? To "make the experience of developing quick and dirty database apps one that is truly quick and clean."
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Google Contributes Data Partitioning Capability to Hibernate
Three new top level Hibernate projects were released today: Validator, Search, and Shards. Search and Validator are both promotions of existing work. Shards which was contributed by Google is a horizontal partitioning solution built on top of Hibernate Core.
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Oracle Contributes TopLink ORM Open Source to Eclipse
Oracle is contributing the commercial TopLink ORM open source to Eclipse. Going forward, all production features of TopLink will be available in EclipseLink and Oracle's commercially supported TopLink will only contain an additional thin proprietary integration code layer necessary for some Oracle AppServer and SOA Suite features. Oracle is also becoming an Eclipse Strategic Developer.
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SQL Server Now Supports Vista
With the release of Service Pack 2, SQL Server 2005 finally has full support on Vista. This includes SQL Server Express, which had serious difficulties running on the new operating system. Several new features are also included in this release.
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Interview: Mike Keith on EJB 3
In the latest video interview, EJB 3 co-spec lead Mike Keith discusses the current state of EJB 3, including common praises and criticisms that have been received. He also talks about POJO support and how the spec has evolved towards dependency injection.
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Configuring Hibernate with Annotations
A new article on OnJava.com takes a look at configuring Hibernate via annotations. Traditionally developers have either configured Hibernate with XML files separate from Java classes or with XDoclet comments in the Java code with in turn generate XML.
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DB2 and Visual Studio
Last week we talked about Oracle's support for Visual Studio. Well they are not the only ones who see the need to integrate with VS. IBM's DB2 for .NET offers both ADO.NET drivers and Add-ins for Visual Studio.