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Phoenix: Running SQL Queries on Apache HBase [Updated]

by Abel Avram on  Jan 31, 2013

Salesforce.com has open sourced Phoenix, a Java layer enabling developers to run SQL queries on Apache HBase. Update: An interview on Phoenix with James Taylor, Lead Developer at Salesforce.com, has been appended.

JRuby on Google App Engine Roundup: DataMapper Adapter for DataStore, Reggae

by Werner Schuster on  Apr 21, 2009 1

While JRuby on Rails doesn't have ActiveRecord, DataMapper, an ORM often used with Merb, has gained a new adapter for Google App Engine's DataStore. Also: work on Reggae, automatic tooling for deploying Rack apps on GAE is under way.

New Open Source project provides Object Oriented data access

by Steven Robbins on  Jul 31, 2008 6

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.

Interview: Charles Nutter discusses JRuby

by Ryan Slobojan on  Feb 14, 2008 3

JRuby project lead Charles Nutter discusses how he got involved with JRuby, Sun's involvement with JRuby, how JRuby fits into enterprise-level web applications, the possibility of a friendly fork of the OpenJDK source code, reasons for switching to JRuby, the future of JRuby, Spring and JRuby, and the Ruby community as a whole.

JLINQ: Runtime JDBC Generator for Eclipse

by Rob Thornton on  Aug 30, 2007 1

Azadeh Ahadian of IBM has published an article introducing JLINQ on IBM's developerWorks site. Despite the name, JLINQ does not have much in common with Microsoft's LINQ, rather it is an Eclipse plugin providing integration with a database and runtime DAO code generation. The plugin is part of IBM's Developer Workbench that is coming with Viper, the next release of DB2.

H2 1.0 Database by Hypersonic Creator is Out

by Floyd Marinescu on  Sep 04, 2006 15

HSQLDB creator Thomas Mueller has released 1.0 final of H2, his pure Java database successor to HSQLDB. H2's focus is to be best database for the lower end (low number of concurrent connections, embedded usage). InfoQ spoke to H2 creator Thomas Mueller to find out more.

Debates flare on the right level of abstraction over ORM and JDBC

by Floyd Marinescu on  Aug 12, 2006 13

A heated debate started a few weeks ago initiated by members of the Hibernate team, arguing that using an abstraction framework on top of an ORM is a bad idea, citing Spring's HibernateTemplate as a specific example. Along the theme of levels of abstraction, Brian McCalister also surveyed various convenience frameworks over JDBC.

Easier Database Development with JDBC 4.0

by Scott Delap on  Aug 04, 2006 4

Java 6.0 will include a number of Java Database Connectivity enhancements collectively known as JDBC 4.0. One of the main goals of JDBC 4.0 was to try and reduce the amount of boilerplate JDBC code a developer had to write.

H2 Database by Hypersonic Creator Nearing 1.0

by Floyd Marinescu on  May 25, 2006 6

HSQLDB creator Thomas Mueller recently released the v0.9 of H2, his pure Java database successor to HSQLDB. H2 benchmarks significantly faster than HSQLDB, supports JDBC and ODBC, supports XA, can be clustered for HA and supports encryption.

JRuby on Rails Unveiled at JavaOne

by Obie Fernandez on  May 16, 2006

The latest version of JRuby will be presented to JavaOne attendees this week. Included in the demonstrations is a working Rails application and an ActiveRecord adapter backed by JDBC.

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