We talk with Daniel Kirstenpfad, founder and CTO of sones GmbH, about Graph Databases and how they can better model some types of data such as relations in a social networking application. A graph database can offer performance benefits over other types of databases because they explicitly represent a graph and are organized to have index free adjacency.
The Hadoop Summit of 2010 included presentations from a number of large scale users of Hadoop and related technologies. Notably, Facebook presented a keynote and details information about their use of Hive for analytics. Mike Schroepfer, Facebook's VP of Engineering delivered a keynote describing the scale of their data processing with Hadoop.
The GigaOM Stucture conference a couple of weeks ago addressed many areas of cloud computing. One of the key themes of the event was the emergence of new data architectures. Throughout the panels, interviews, and presentations many speakers identified significant changes in how data gets handled that will be coming.
The 2nd annual RubyConf China, this year in Shanghai, China, featured Ruby creator Matz who talked about Ruby Community and Ruby 2.0. InfoQ takes a look at the other talks and what tools and databases Ruby developers in and around China use.
Toad is a set of database administration, development and performance optimization tools for major databases like Oracle, DB2, SQL Server, or MySQL. Quest Software has created a Visual Studio Extension for Toad for Oracle in order to benefit from VS features like code refactoring, version tracking, collaboration, unit testing or life cycle management.
Shortly after the 1.4 release of MongoDB (from "humongous") on March 25th, its creator Dwight Merriman (former CEO/CTO of DoubleClick) announced that 10gen, the company behind the open-source document database will offer commercial training and support for the product. InfoQ spoke with Merriman about MongoDB, its features, applicability and place in the community of NoSQL databases.
After several years of development, the developers from NeoTechnology have released version 1.0 of Neo4j, a Java-based graph database which follows the property graph datamodel. InfoQ spoke with NeoTechnology COO Peter Neubauer to learn more about the current Neo4j release and what it offers to developers.
Microsoft has released its first community tech preview for a MySQL to SQL Server migration tool. This tool supports SQL Server 2005, 2008, and Azure.
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.
Managing SQL-based scripts can become a nightmare with time. Rails solved this with ActiveRecord Migration. Sam Livingston-Gray wrote a small standalone Ruby tool to generate hierarchical migration script. Based on the fact that SQL scripts can become very verbose and duplication-prone, Sam started SQrbL which is a mix of SQL and Ruby.
Microsoft released a free MapPoint 2009 Add-In for SQL Server 2008 spatial data. The add-in can be used with MapPoint to build map graphics against queries on SQL Server 2008 spatial geography columns.
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.
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.
In his keynote at Sapphire 2009, Hasso Plattner, co-founder of SAP, explained that he sees multi-cores, and in memory column-oriented databases in the future of enterprise applications.
Microsoft has released significant updates for SQL Server 2008, including 2008 Service Pack 1, Express Edition Service Pack 1, large Feature Pack, Upgrade Advisor, SRS Report Builder 2.0, SharePoint integration, and data mining Office add-ins.