InfoQ Homepage Database Content on InfoQ
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Raven, a Document Database for .NET
Raven is schema-less LINQ-enabled document data store for .NET/Windows. Raven is yet another NoSQL, non-relational solution that wants to address the performance and scalability needs required by large web applications.
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Upgrading InfoQ.com's Database: Mostly Smooth, A Couple of Bumps
Recently, InfoQ.com upgraded the backend database that we've used since launch. However, everything did not go according to plan, and even though the vast majority of the migration was smooth we encountered some unexpected issues along the way (which have now been resolved). This post will discuss what our plan was, what worked and what didn't, and how we detected and recovered from the errors.
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Chrome 4 Now Supports the HTML 5 Web SQL Database API
Google has announced support for the HTML 5 Web SQL Database API, and others are likely to follow soon or have already started on support for this API. In the meantime, the completion of the specification is blocked because all the implementers involved have chosen to use SQLite as underlying database, and multiple independent implementations are required for standardization.
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Google Wants to Administer the First White Spaces Database
Google proposes to FCC to become the administrator of a White Spaces Database containing geo-location information about devices using the free channels in the radio spectrum.
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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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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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ODBMS.ORG Adds Persistence Patterns Resources
ODBMS.ORG has added persistence patterns to its collection of resources for educators, students, professionals, and open source practitioners. Three pattern collections comprise the initial offering in this area. A Best Persistence Pattern Award, is planned for any pattern submitted prior to May 29, 2009.
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Open Database Alliance: New Direction for mySQL
Monty Program Ab, a MySQL database engineering company, and Percona, a MySQL services and support firm, today announced the "The Open Database Alliance." This effort will fork the mySQL code base, using MariaDB as a starting point. MariaDB was created by Monty Widenius, co-founder of mySQL.
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Presentation: Refactoring Databases
For years the norm for developers was to work in an iterative and incremental manner but for database developers to work in a more serial manner. The predominance of evolutionary development methods make it clear that the two groups need to work in the same manner to be productive as a team. Pramod presents material from "Refactoring Databases " on implementing evolutionary database development.
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Article: Staying Safe and Sound Thanks to MDSD
In this article, Andreas Kaltenbach explains how Model-Driven Software Development (MSDS) can help solving backward compatibility problems when creating a newer version of a software which can mean a new API or a new database schema that old clients cannot use. MSDS is used to negotiate the differences between versions to ease the upgrading process.
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Moneta: An Interface to Key-Value Stores like Tokyo Cabinet, Memcache
Key-value stores are a viable alternative to relational databases. We take a look at Tokyo Cabinet and how different key-value stores can be unified behind a common interface with Moneta.
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Is the Relational Database Not an Option in Cloud Computing?
Recent focus on Cloud Computing has increased the use of key/value databases. The most common theme for this is scalability. Though scalability is a key factor, cloud computing has other advantages that makes it attractive for vendors that do not need to deliver highly scalable applications or services.
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Presentation: CouchDB and Me
In this talk from RubyFringe, Damien Katz explains what drove him to create CouchDB, why he chose Erlang, how it ended up as an Apache project and much more.
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Aster In-Database MapReduce
Aster Data Systems has announced an in-database MapReduce implementation for their nCluster database platform.
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NeverBlock and Non-Blocking Database Adapters
Besides Postgres, NeverBlock now also supports MySQL through the new MySQLPlus adapter. We talked to two of the developers of MySQLPlus and discussed NeverBlock and non-blocking database adapters with developers of Ruby's Oracle and SQLite interfaces.