InfoQ Homepage Data Access Content on InfoQ
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The ADO.NET Entity Framework Sparks a Debate
A recent blog post written by Danny Simmons, a Microsoft ADO.NET developer, about the ADO.NET Entity Framework has started a series of reactions about the respective topic.
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IdeaBlade announces DevForce EF beta for building Rich Internet Applications
Recently IdeaBlade announced DevForce EF which builds upon the Microsoft Entity Framework and will provide support for Silverlight.
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The First ADO.NET Providers Supporting the Entity Framework Are Ready
InfoQ published a list of companies interested in offering ADO.NET providers which support the Entity Framework a few months ago. Some of them are offering now the respective providers.
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DataNucleus Launched as Successor to Java Persistence Platform JPOX
The open source Java persistence platform JPOX has become DataNucleus for its future direction, due to the significant changes in scope of the project since its initiation. The baseline product DataNucleus AccessPlatform, provides persistence to RDBMS, db4o, XML, LDAP and Excel datastores via JDO or JPA APIs.
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HBase Leads Discuss Hadoop, BigTable and Distributed Databases
Google's recent introduction of their Google Application Engine has created renewed interest in alternative database technologies. InfoQ recently sat down with the leads of HBase, an open-source, distributed, data store modeled after the Google's BigTable.
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Presentation: Beth Massi on Conquering XML with LINQ in VB9
Beth Massi, the Visual Basic content manager on Microsoft's MSDN, presents on how to work with XML and LINQ in Visual Basic 9.
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Amazon upgrades EC2 with Persistent Storage
Amazon’s Elastic Computer Cloud (EC2), which delivers Hardware as a Service (HaaS), is adding persistent storage to its list of features. Amazon CTO Werner Vogels write that "Persistent storage for Amazon EC2 will be offered in the form of storage volumes which you can mount into your EC2 instance as a raw block storage device."
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StrokeDB, Just Another Distributed Database? Not Really.
As Distributed Databases get more and more interest, implementations are flourishing. CouchDB showed the way and is now incubated as an Apache project. RDDB was one of the first Ruby implementation of a Document-Oriented Distributed Database. We will check how a new database, StrokeDB, differentiates itself in the area with new promising features.
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Hypertable Lead Discusses Hadoop and Distributed Databases
Two open source projects related to Hadoop, HBase and Hypertable, provide Big Table inspired scalable database implementations. InfoQ sat down with Doug Judd, Principal Search Architect at Zvents, Inc. and Hypertable project founder, to discuss its implementation.
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NHibernate 2.0 Offers Many New Features
NHibernate 2.0 Alpha has been released this week. The current 2.0 release is the first step to the feature set of Hibernate 3.2.6, many classes have been completely rewritten and lots of features have been added.
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Implementing NOLOCK with LINQ to SQL and LINQ to Entities
Scott Hanselman recently posted a really useful article on his blog covering the NOLOCK hint when using LINQ to SQL and LINQ to Entities. The problem is actually how to get the SQL generated by LINQ queries to use the NOLOCK hint as SQL developers are accustomed.
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LINQ Framework Design Guidelines
Now that LINQ has been finalized and released, it is time to start thinking about the ways to use it. Keith Farmer even talks about using it eliminate subclasses. But before we get into that, let us take a look at the official guidance from Microsoft.
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eXo Java Content Repository 1.8 Released
The eXo Platform team has released eXo JCR (Java Content Repository) 1.8. The eXo JCR product is a JSR-170-compliant Java content repository implementation.
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Panel: Java Object Persistence: State of the Union
In this panel, the editors of InfoQ.com (Floyd Marinescu) and ODBMS.org (Roberto V. Zicari) asked a group of leading persistence solution architects their views on the current state of the union in persistence in the Java community.
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Microsoft Claims to Hold the ETL Record at 1 TB in 30 Minutes
Microsoft and Unisys are claiming that they hold the record for loading information into a relational database. The unofficial benchmark was 1 TB of TPC-H data moved in under 30 minutes using an Extract, Transform, and Load (ETL) tool. The previous record for that volume was 45 minutes and was held by Informatica.