InfoQ Homepage Data Access Content on InfoQ
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Oracle Joins the NoSQL Club
Oracle has announced the Big Data Appliance running with Oracle NoSQL Database, a new key-value store based on Oracle Berkeley DB Java Edition. Some of features include: billions of rows of storage capacity in records and terabytes in B-tree, ACID transactions, CRUD, sharding, no single point of failure, disaster recovery via datacenter replication.
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Second Level Caching with Entity Framework
Second Level Caching is one of the features that is not present out-of-the-box in Entity Framework. In an MSDN article “Second-Level Caching in the Entity Framework and AppFabric” Julie Lerman shows how to implement Second Level Caching with Entity Framework to take advantage of caching services like Microsoft AppFabric.
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William McKnight on Columnar Databases
Columnar databases offer better data storage capabilities for certain business use cases compared to the traditional relational database management systems. William McKnight spoke at NoSQL Now 2011 Conference last week about the columnar databases and how they can be effective for certain data storage needs.
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SQL Server Bids Farewell to OLE DB After Denali
Denali will be the final edition of SQL Server to support OLE DB, because Microsoft considers ODBC to be the industry standard for relational data access.
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An Overview of WCF RIA Services Toolkit
In honor of the August release of WCF RIA Services Toolkit, we are going to offer a quick introduction to the various components it offers on top of the baseline version of RIA Services. New in this build is support for EntityFramework 4.1, including code first, and a fix to the JavaScript/jQuery client so that it works with jQuery 1.5.1 and later.
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Microsoft Slows Down Release Cadence for Entity Framework, Adopts Semantic Versioning
Since .NET 4 was released Microsoft has been pushing an ever faster release cadence for its .NET libraries with new features coming out every few months instead of every few years like it had done in the past. As a result of a recent embarrassment, the ADO.NET team is moving back to using beta releases and, to reduce future confusion, adopting the concept of Semantic Versioning.
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Windows Server AppFabric adds Read-Through and Write-Behind Support
The new Read-Through and Write-Behind support in AppFabric 1.1 allow developers to improve performance while at the same time reduce the complexity of their applications. This is done by moving the logic for reading from and writing to the database into the caching server itself. Other improvements include lazy-loading of session state information and support for ASP.NET output caching.
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Interview: Richard Hipp on UnQL, a New Query Language for Document Databases
This interview with Richard Hipp, creator of SQLite, unveils the details of UnQL, a new query language for JSON document databases. Hipp mentions UnQLite, an embedded document database he plans to create.
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Google Has Open Sourced LevelDB, A Key-Value Datastore
Google has open sourced LevelDB under the New BSD license. LevelDB is an embedded key-value datastore whose keys and associated values are arbitrary byte arrays sorted by key, a sorting mechanism that can be overridden. The datastore is pretty simple, accepting Put, Get, and Delete commands along with forward and backward iterations.
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A New Enterprise Platform for Flex/Java EE Applications
Granite Data Services released last week its Enterprise Platform for building Flex/Java EE Applications. Granite DS is an open source framework. InfoQ spoke with Frank Wolff, CEO and Co-Founder of Granite DS, about his perspectives on Rich Internet Applications.
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Veracity, a New DVCS Based on a Distributed Database
Veracity is a DVCS that can be installed on Windows, Mac, and Linux, and uses a distributed database for its repository.
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Forrester Proclaims Data Virtualization Technology Coming of Age
Businesses have been strangled by high integration costs from ETL and DBMS consolidation initiatives which still leads to information silos and a broken data infrastructure. Forrester in its latest report claims that data virtualization driven by technological advances and customer successes is ready for massive adoption.
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Hibernate Object Mapping for NoSQL Datastores
Emmanuel Bernard, the developer behind Hibernate Validator, Hibernate Search, among others, recently announced the birth of Hibernate OGM. The new framework's goal is to provide a common interface for NoSQL datastores using JPA constructs. InfoQ spoke to Bernard to find out more about the framework.
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Rx 1.0 Solves the Problem of Asynchronous Data Access
Microsoft has released version 1.0 of their Reactive Extensions (Rx) library after two years in incubation. Rx combines event-driven UI with LINQ, concurrency and asynchronous calls.
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Olap4j 1.0: a Java API for OLAP Servers
Business Intelligence vendor Pentaho has announced the release of olap4j 1.0, a new, common Java API for any online analytical processing (OLAP) server.