InfoQ Homepage Database Content on InfoQ
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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.
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Drizzle - a new direction for databases
Unveiled at the O'Reilly Open Source Convention (OSCON), Drizzle can be described as a "what if" project - creating a database specially for applications that include web based apps, cloud computing components, databases without business logic (aka stored procedures), and multi-core architecture.
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Microsoft SQL Server 2005 Driver for PHP Released
Version 1.0 of the Microsoft SQL Server 2005 Driver for PHP has been released, allowing greater interoperability between PHP and MS SQL 2005. The driver is available for download on MSDN, and the source code for the driver is available on Code Plex.
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New Open Source project provides Object Oriented data access
Kasper Sørensen has created a new open source project at eobjects.dk called MetaModel. The project is a common domain model, query engine, and optimizer for different types of datastores, such as relational databases and flat files. MetaModel is a Java library that provides a fluent, object-oriented interface for SQL compliant queries.
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Object Relational Mapping - User Case Studies
Roberto Zicari, from ODBMS.org, collected interviews and stories from several users of Object/Relational mapping technologies. The main point of the cases was around "impedance mismatch" between the object technology in the domain model and the relational technology in the data model.
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Interview: Avi Bryant on DabbleDB, Smalltalk and Persistence
In this interview from QCon 2008, Avi Bryant talks about his Smalltalk web framework Seaside and DabbleDB. Also: Avi explains how DabbleDB uses Smalltalk images for persistence instead of an RDBMs and how to make Squeak scale.
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Databases Roundup: Data Sharding for ActiveRecord and Faster Postgres IO
In this databases roundup we take a look at DataFabric, FiveRun's recently open sourced data sharding plug-in for ActiveRecord. Also: a look at speeding up Postgres data access using the asynchronous client API and Ruby 1.9's Fibers.
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RAM is the new disk...
Jim Gray, a man who has contributed greatly to technology over the past 40 years, is credited with saying that memory is the new disk and disk is the new tape. With the proliferation of "real-time" web applications and systems that require massive scalability, how are hardware and software relating to this meme?