InfoQ Homepage Data Access Content on InfoQ
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EF 4.3 Gets Code First Migrations But No Enum Support
Entity Framework 4.3 Beta has been announced and one of the biggest feature updates is Automatic Database Migrations for Code First. The version also comes with complete XML documentation and improved logging. However, one commonly requested feature, Enum Support, will make it only in EF 5.0.
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SpringSource Releases Spring Data Redis 1.0.0
SpringSource has recently released Spring Data Redis, an abstraction over the existing Java Redis libraries that offers a unified API and easier Java Object serialization for Spring based applications.
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ESE Tookit: Use Windows' Internal High-Performance Data Store To Build Applications
The ESE Toolkit provides C++ and C# class libraries that allow easier application development using the Windows Extensible Storage Engine (ESE), a high-performance data store built into Windows.
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Oracle Provider Gets EF Support
Oracle has recently released Oracle Data Access Components (ODAC) 11.2 Rel 4 with support for Entity Framework 4.1 and 4.2. This will allow .NET developers working with Oracle database to work with a popular ORM and use LINQ to Entities for data access operations instead of hand-coding the SQL statements. However Code First and DBContext API are not supported in this release.
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Riak NoSQL Database: Use Cases and Best Practices
Riak is a key-value based NoSQL database that can be used to store user session related data. Andy Gross from Basho Technologies recently spoke at QCon SF 2011 Conference about Riak use cases. InfoQ spoke with Andy and Mark Phillips from Basho team about Riak database features and best practices when using Riak.
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Interview with Julie Lerman on Programming Entity Framework: Code First
The dotNetMontreal community hosted a seminar by Julie Lerman on the Entity Framework Code First approach. Code First is essentially a new programming style for generating a database directly from code. Entity Framework enables developers to create data access applications by programming against a conceptual application model instead of programming directly against a relational storage schema.
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Sensor Networks - GEOCens finished its Pilot Phase
In December the GEOCens (Geospatial Cyberinfrastructure for Environmental Sensing) is finishing its pilot phase, as the not-for-profit organization Cybera has recently published at GISUser.com. The software architecture is supposed to improve researcher access to international environmental data drawn from more than 60,000 sensors and 2,800 web map servers.
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Can SAP HANA boost Real-time Data Analytics?
In a recent press news from 13th December, SAP announced at the SAP Influencer Summit in Boston that “leading software vendors are adopting the open SAP HANA platform for their existing products and building completely new applications.” Among them are companies such as T-Mobile and TIBCO.
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James Phillips on Moving from Relational to NoSQL Databases
James Phillips, co-founder of Couchbase, recently gave a presentation on the differences between a distributed document-oriented and relational data models and what the database developers need know to move from a relational to a NoSQL database. InfoQ caught up with James to talk about the advantages and limitations of document-oriented NoSQL databases.
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MongoGraph Brings Semantic Web Features to MongoDB Developers
MongoGraph from AllegroGraph brings semantic web features to MongoDB developers. They implemented a MongoDB interface to AllegroGraph database to give Javascript programmers both joins and the semantic web capabilities. InfoQ spoke with AllegoGraph CEO Jans Aasman about this new approach and how it helps the NoSQL developers.
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Code First Migrations Updates Data Structure From Code
The Code First approach means that the object model is created in code, and then the database structure is generated from that model. Code First Migrations allows developers to make changes to the database via code, many of which can be done automatically.
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What’s New in SQL Server 2012 RC0
Microsoft has released SQL Server 2012 Release Candidate 0. There are many new features, including: AlwaysOn, better performance management, more reporting and visualization tools, Columnstore index, and FileTables. The product will come in 3 main editions: Standard, Business Intelligence and Enterprise.
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NoSQL OODB with Smalltalk-based Ruby VM: MagLev 1.0 Released
The MagLev project has released version 1.0 of their Ruby VM. The Ruby implementation is based on the GemStone/S Smalltalk VM which comes with GemStone's distributed cache, ACID transactions, and persistence system (OODB). InfoQ caught up with Monty Williams of the MagLev project to talk about where MagLev fits on the NoSQL spectrum, and much more.
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Amazon/Microsoft Deal Expanded to Include BizSpark and SQL Server 2012
Amazon has announced two licensing deals with Microsoft. The first eliminates the licensing fees for running Microsoft software on EC2 for BizSpark members. The second allows all developers to run the preview of SQL Server 2012 on EC2. It should be noted that normal EC2 service rates still apply for both.
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Distributed Cache as a NoSQL Data Store?
NoSQL data stores offer alternative data storage options for non-relational data types like document based, object graphs, and key-value pairs. Can a distributed cache be used as a NoSQL store? Greg Luck from Ehcache wrote about the similarities between a distributed cache and a NoSQL data store. InfoQ caught up with him to talk about this use case and its advantages and limitations.