InfoQ Homepage Data Access Content on InfoQ
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Entity Framework 4.1 gets DbContext API – but no Database Evolution, SPs or Cached queries
ADO.NET Entity Framework 4.1 is upon us – slated for a late April release, it will come with a whole set of new features, but not all of them are going to make it.
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Couchbase Announces Couchbase Server and an Advisory Board
Couchbase, the company recently formed by merging Membase and CouchOne, has announced the availability of Couchbase Server in addition to Membase Server and Mobile Couchbase, along with the Advisory Board Members.
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Google Debuts OAuth 2.0 Support for Google APIs
Today Google announced experimental support for OAuth 2.0 with bearer tokens. In addition, as a side announcement they've launched a new consent page for OAuth 2.0 designed with cleanliness and simplicity in mind.
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LINQ to Objects Projects: EduLINQ, MoreLINQ, and LINQBridge
EduLINQ is an attempt to explain how LINQ to Objects operators work. MoreLINQ is a set of LINQ to Objects operators extending the standard ones. LINQBridge is a port of LINQ to Objects to .NET Framework 2.0.
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Column-based Storage in SQL Server 2011
Imagine ad hock data mining queries against a single table with 1 TB of data and 1.44 billion rows coming back in roughly a second. This is the scenario Microsoft intends to support using 32-core machines and their new column-based storage engine.
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Better Developer Experience in Version 1.5 of the Data Access Framework MetaModel
Eobject.org's open-source Java framework MetaModel implements a unified API for the access, exploration, and query of different datastores. Eobjects.org, both a website and an open source software organization dedicated to "the development of Open Source software related to Business Intelligence and Data Warehousing", has recently published version 1.5 of MetaModel.
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Partitioning and Sharding Options for SQL Server and SQL Azure
Horizontal partitioning and sharding are important tools for developers working with extremely large datasets. We take a brief look at what’s available in SQL Server and what’s coming down the road.
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datajs– Using OData From Within the Browser
Microsoft has created a JavaScript library enabling developers to consume OData from within the browser.
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Amazon Will Offer Oracle Database 11g on RDS
Amazon will offer Oracle Database 11g on RDS which brings patching, backup, replication, and failover support to Oracle’s database.
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Google Releases the High Replication Datastore for App Engine
Google offers now two options for storage on its App Engine, the Master/Slave Datastore and the new High Replication Datastore, which remains available during downtime and offers a higher degree of resiliency to catastrophic failures.
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Whitepaper Released: Sharding with SQL Azure
Yesterday Microsoft released a new whitepaper providing guidance on sharding with SQL Azure written by Michael Heydt and Michael Thomassy. The intent of the whitepaper is to deliver guidance on how to architect an application that requires elasticity and fluidity of resources at the data layer over time.
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Introducing NHibernate 3.0
NHibernate 3.0 is the first major release of the popular ORM in over a year. With the release it has changed the CLR version to .NET 3.5. This allows the creation of the QueryOver API, while replaces the string-based ICriteria expressions with strongly typed lambda expressions. This is in addition to the built-in LINQ provider.
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Named Resource Streams for WCF Data Services
Under the current version of WCF Data Services, developers can associate only one streaming resource with a given entity. With the October 2010 CTP, developers can now add additional named streams to an entity. For example, for images you may have streams named “Thumbnail”, “Small”, and “Full”.
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MySQL Changes: More Expensive and No InnoDB for the Classic Edition
Oracle has published a new comparison table for the MySQL Editions offered with support. Major changes include a rise of the price and InnoDB is removed from the Classic Edition.
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DB2 Debugging in Visual Studio 2010
IBM is offering a demo of their DB2 Add-ins for Visual Studio 2010. In addition to "full end to end debugging for SQL procedures for VB and C# apps”, it includes ADO.NET and Entity Framework providers for many of the DB2 variants.