InfoQ Homepage Data Access Content on InfoQ
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MagLev Ruby VM Now Available, Brings GemStone's Persistence to Ruby
The long awaited MagLev Ruby implementation, based on GemStone Smalltalk, is now available in a public alpha release. While not quite ready to run Rails, it does support frameworks like Rack and Sinatra. MagLev comes with full support for GemStone's mature distribution and persistence features.
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Microsoft Proposes OData as de facto Web Data Protocol
Microsoft proposes OData as the web data protocol while Google uses GData. Microsoft invites Google to join forces with them in adopting OData. Will they do it?
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ORM Profiling Tools for the .NET Platform
Sadly the terms “ORM” and “performance problems” often travel together. By hiding the underlying SQL from the developers, ORMs can offer a huge productivity boost. Unfortunately they also make it easy to generate ridiculously bad queries without realizing it. And without stored procedures to cross reference, finding the offending code without an ORM-specific profiler can be quite tricky.
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Amazon Offers MySQL as a Service
Amazon has announced a new service, Amazon Relational Database Service or RDS, a solution for creating and accessing a relational database in the cloud. The hosted database is MySQL 5.1 and the announcement precedes PDC 2009 by 3 weeks when Microsoft will announce the availability of SQL Azure, a cloud solution based on its relational DB.
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PHP API for Cloud Application Services
Zend Technologies, calling themselves The PHP Company, has launched the open source Simple API for Cloud Application Services project intended to help PHP developers creating applications consuming services from all major clouds. Microsoft has contributed with Windows Azure SDK for PHP Developers.
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Deleting Data Is Not a Recommended Practice
Oren Eini, alias Ayende Rahien, encourages developers to avoid database soft deletes leaving the reader with the impression that hard deletes are an option. Reacting to Ayende’s blog post, Udi Dahan strongly advices to completely avoid data deletion.
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SQLAzureMW Migrates SQL Databases to SQL Azure
The SQL Azure Migration Wizard (SQLAzureMW) is a CodePlex project and wizard that can be used to migrate SQL 2005 and SQL 2008 databases to SQL Azure.
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ADO.NET Entity Framework Providers for Oracle
Microsoft’s vision for .NET is a wide one. In addition to support for all programming languages, MS wants to bring together all communication frameworks and data storage engines. While WCF is making headway for standardizing communication APIs, their universal data access model Entity Framework is lagging behind. Much is this is due to lack of direct vendor support from companies like Oracle.
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Fluent NHibernate Has Been Released as 1.0 RC
James Gregory, the owner of the Fluent NHibernate project, has announced his project has reached the 1.0 milestone and it is currently a Release Candidate.
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Is the NoSQL Meeting Announcing the End of the RDBMS Era?
The NoSQL meeting tried to raise the awareness towards the opportunity of using non-relational databases which promise to be cheaper, simpler to administer and maintain, and offering superior scalability. Michael Stonebraker, co-creator of Ingres and Postgres, thinks that the end of RDBMS era is close, while others think that we are not there yet.
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Disclosing How C#-SQLite Was Ported to .NET
InfoQ announced the porting of SQLite to .NET two weeks ago. Because the community showed special interest in this project, we interviewed Noah Hart, the developer who did it, to find out how SQLite was re-written in C#.
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What’s Next for SQL Server?
As we reported last year, SQL Server 2008 R2 will support 256 logical processors. Other features include better multi-server management tools and geospatial visualization in Reporting Services 3. A preview of the new version is available to MSDN and TechNet subscribers. The general public will have access later this month.
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SQLite Has Been Ported to .NET
Noah Hart has ported SQLite3 to C#. While the first port is slower than the original, the project opens the way for SQLite to be used in .NET managed projects without using P/Invoke or unsafe code.
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NHibernate LINQ Provider Released
NHibernate Linq 1.0 has been released. Based on the stable provider from NHibernate Contrib, NHibernate Linq 1.0 is a LINQ provider that supports most operations available through the NHibernate criteria query API.
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Scott Leberknight on Polyglot Persistence
The data persistence solutions in software development have come a long way in the recent years. At the recent Lone Star Software Symposium, Scott Leberknight talked about "Polyglot Persistence" trend where the developers have a choice of different database products like Amazon SimpleDB, Google Bigtable, and CouchDB to choose the data persistence solution.