ModelMapper is an object to object mapping library that eliminates repeatable code for copying objects from one representation to another. By looking at property names it can perform an automatic mapping or hints can be defined that describe precisely the mapping process. It is inspired from AutoMapper which is a similar library for .NET
Microsoft has published Data Access Guidance for ASP.NET 4.5. Most of the changes are related to new features in 4.5, such as those in Web Forms and the new ASP.NET Web API.
Much has been written on the topic of ORMs and its failings. Most of the objections fall into two categories: Separation of Concerns and Object Oriented Design. For the Entity Framework we have good news for one these.
Developer Ricardo Peres of Portugal has published a seemingly unbiased comparison of the leading .NET ORMs: NHibernate and Entity Framework. While we recommend anyone considering both to read his article, Differences Between NHibernate and Entity Framework, we are going to tough on some of the key differences.
Inspired by Apache CouchDB, PouchDB (Portable CouchDB) is a small footprint database for web and especially mobile applications that need a browser-based storage solution that can be used offline. The database can be synchronized with CouchDB databases or other PouchDBs when the device comes back online.
Version 3.5 of the ORM tool LLBLGen Pro was released this week, and includes updates to Entity Framework and NHibernate functionality, designer improvements, and several updates to the runtime, such as support for OData and SQL Server 2012.
VMware have announced the availability of Spring Hadoop, which integrates the Spring Framework and the Apache Hadoop platform.
JBoss relases Hibernate 4.1 with improvements to the Envers module that allow for finding the database revision responsible for a change in a specific audited property.
FluentData is a new introduction to the micro-ORM family that aims to be more straightforward to use than full ORMs like NHibernate and Entity Framework. It uses a fluent API and supports SQL Server, SQL Azure, Oracle, and MySQL.
Hybrid SQL-NoSQL database solutions combine the advantage of being compatible with many SQL applications and providing the scalability of NoSQL ones. Xeround offers such a solution as a service in the cloud, including a free edition. Other solutions: Database.com with ODBC/JDBC drivers, NuoDB, Clustrix, and VoltDB.
LightSpeed is a commercial ORM for .NET that boasts of several features such as Entity Serialization, a robust VS designer, built-in LINQ support, support for DTOs and more. We got in touch with John-Daniel Trask, co-founder of Mindscape (LightSpeed’s maker) to speak more about the product and ORMs in general.
PostgreSQL and Neo4J, a relational and a graph database respectively, are among the latest data stores taking the route to the cloud.
VMware releases SQLFire 1.0 a distributed SQL database geared towards high availability and horizontal scalability which offers table replication, table partitioning and parallel execution of queries.
The EF team has setup a uservoice forum to let users request and vote for features. We are highlighting the current top 7 most-voted-for feature requests, along with possible workarounds you can use today.
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