The final version of the Object-Relational Mapping, ORM framework Hibernate 4.3 was recently released and is now a certified implementation of the JPA 2.1 specification, (JSR 338), released in May 2013.
David Wheeler has proposed a standard URI format for database connections. This proposal would allow applications built on different technologies to share the same connection string. That would be beneficial for a wide variety of tools including report builders, automated build and deploy tools, and ORMs.
When building a database-backed project using an ORM, developers can choose between starting with database tables, classes, or abstract models. To open the debate, we offer you Frans Bouma’s argument that, “Code-first O/R mapping is actually rather silly”.
Entity Framework continues to have performance problems when using larger EDMX models to generate classes. “If the EDMX only has one entity type materialization takes 840 ms […] but when the EDMX contains a richer model, for example one with 67 entity types and 92 associations, the same test takes 7246 ms to complete”.
With Facebook recently releasing Presto as open source, the already crowded SQL-in-Hadoop market just became a tad more intricate. A number of open source tools are competing for the attention of developers: Hortonworks Stinger initiative around Hive, Apache Drill, Apache Tajo, Cloudera’s Impala, Salesforce’s Phoenix (for HBase) and now Facebook’s Presto.
ORM Profiler v1.5 has been released with support for Entity Framework 6 and Async in addition to several improvements and bug fixes.
Telerik OpenAccess ORM integrates with NAnt using clean, build and enhance targets by making use of XML mapping.
Julie Lerman recently noted that Entity Framework can work with classes having private constructors and private property setters, which promotes persistence ignorance. We explore further.
Hibernate, the popular Java ORM, has recently added OSGi support. InfoQ caught up with Brett Meyer to find out more about the challenges involved.
In the beginning of MBaaS, there was StackMob. Since then the mobile ecosystem has become flooded with competitors in this new approach to app dynamics. InfoQ takes a closer look at the Mobile Backend as a Service (MBaaS) provider StackMob and its privacy practices.
For many years NHibernate reigned as the premier ORM for the .NET framework and despite the successes of Entity Framework many people still consider it their first choice for new projects. But a lack of developers may severely hamper its future.
A CAST report discloses that JEE enterprise software has lower quality when using Spring or Struts than using just Hibernate. Also, the quality degrades when Java is mixed with C or C++.
Riak 1.3.0 RC was recently released, with improved IPv6 support and some interesting features that improve reliability – Active Anti-Entropy and Health Check.
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.
At its heart, SQL is a domain specific language designed to allow non-professional programmers to query databases and write ad hock reports. When a company moves from a relational database to a NoSQL offering the need for ad hock reporting doesn’t go away, it just becomes harder. Simba’s ODBC drivers shift the power back into the hands of the users.