InfoQ Homepage ORM Content on InfoQ
-
LINQ to SQL Changes in .NET 4.0
Damien Guard of Microsoft’s Data Programmability has posted a rather long list of the changes to LINQ to SQL. While they are still committed to Entity Framework over the long run, this will do much to alleviate the fear LINQ to SQL will be completely neglected in the mean time.
-
Java Persistence 2.0 Proposed Final Draft
The Java Persistence API version 2.0 has reached the proposed final draft stage. It adds a typesafe API for criteria queries with a corresponding metamodel API, and support for Bean validation.
-
Easy Persistent Entity Transfers
Often times when transferring persistent entities outside of the JVM you must strip off persistence related information or modifications. Gilead, formerly Hibernate4GWT, aims to ease that process and handle the heavy lifting.
-
NHibernate Mappings In-Depth
Ayende Rahien have posted 13 blog posts describing the different NHibernate mappings in detail with examples. Ayende is one of the contributors to NHibernate, the creator of NHibernate Profiler and have been using NHibernate for many years.
-
JRuby on Google App Engine Roundup: DataMapper Adapter for DataStore, Reggae
While JRuby on Rails doesn't have ActiveRecord, DataMapper, an ORM often used with Merb, has gained a new adapter for Google App Engine's DataStore. Also: work on Reggae, automatic tooling for deploying Rack apps on GAE is under way.
-
Article: A Fusion of Proven Ideas: A Look Behind S#arp Architecture
In this article Billy McCafferty presents S#arp Architecture, an ASP.NET MVC architectural framework meant to leverage current best practices in architecting ASP.NET web applications by providing a project code template which uses Domain-Driven Design techniques and has built-in support for NHibernate, Castle Windsor and SQLite.
-
Fluent NHibernate Has a Wiki
Fluent NHibernate is an alternative to using XML mappings in NHibernate. Fluent NHibernate is using a fluent interface allowing you to define mappings in code instead of XML. Some people in the community have complained about the lack of documentation for Fluent NHibernate and as a response James Gregory recently announced the official Wiki for Fluent NHibernate.
-
Two Type-Safe Criteria API Proposals for JPA 2.0
One of the most significant new features in the forthcoming Java Persistence API 2.0 specification is a type-safe criteria-based query API. There are two alternative proposals under consideration by the JSR-317 Expert Group and the group is seeking feedback from the wider development community.
-
Article: Performance Anti-Patterns in Database-Driven Applications
In this article, Alois Reitbauer, a Performance Architect for dynaTrace Software, specifies several architectural anti-patterns which can downgrade an application’s performance. Knowing those anti-patterns and proactively designing the application to avoid them will keep away certain snags that can impact application’s performance.
-
Hibernate Search 3.1 Supports Dynamic Search Analyzer and Query Time Performance Improvements
The latest version of Hibernate Search, an open source domain model search framework from Hibernate group, supports a declarative and dynamic search analyzer model as well as indexing and query time performance improvements. Hibernate Search development team recently announced the release of Version 3.1 of the search framework. The new version also provides new features focused on usability.
-
Envers Joins Hibernate
Envers is an open-source project from JBoss which has recently been added under the Hibernate umbrella.
-
Meta-data Synchronization Tools for LINQ to SQL and ADO.NET Entity Framework
The designers in both LINQ to SQL and ADO.NET Entity Framework have a number of limitations. In order to work around these limitations, products such as Huagati DBML/EDMX Tools have been developed. There is no bloat here, everything is a must have for many shops.
-
No Change Tracking for ADO.NET Entity Framework 2010
One of the biggest complaints about ADO.NET Entity Framework was that it did not support change tracking. Despite everything from ADO.NET DataSets to every single non-Microsoft ORM having support for this out of the box, Microsoft has no intention of fixing this in the .NET 4.0/VS 2010 timeframe.
-
Sequel, The Database Toolkit For Ruby
Sequel, apart from being an alternative to ActiveRecord, offers a complete Ruby toolkit to handle database operations. InfoQ had the chance to catch up with Jeremy Evans who replaced Sharon Rosner as project leader eight months ago.
-
Article: Ruby's Roots: Smalltalk Comeback and Randal Schwartz on Smalltalk
Smalltalk, a language that has had a big influence on Ruby, is making a comeback. We take a look at the current situation and talk to Randal L. Schwartz about Smalltalk.