SDO, DAS, Data Services: standards for heterogeneous Data Access made easy
Posted in data access on Feb 29th, 2008
Seen this article about AutoFetch on TheServerSide.
It is nice to see some some people start to understand limitations of well-known ORM solutions in terms of fetching. Xcalia has a nice solution for this since years, through the notion of “business use-cases“.
Through this notion, you can associate runtime behaviours (including fetch groups) to sections of your [...]
Posted in data access on Feb 28th, 2008
I’m glad to see people start to understand the benefits of expanding mapping technologies to non-relational data sources: seen on TSS, Java Persistence API (JPA) implementation for Amazon SimpleDB.
Xcalia has been a pioneer in this area with Castor (an ORM-OXM open source product). Then later, Toplink announced support for XML and JCA data sources, while [...]
Posted in data access on Feb 22nd, 2008
March 13th-14th in Berlin: ICOODB 2008.
I would love to see how ODBMS are changing, but I’ll be in the US that week.
Posted in data access on Feb 22nd, 2008
In this article in French, Olivier Rafal (Le Monde Informatique) mentions a study from M. Stonebraker (father of Ingres and Postgres) in which he introduces a new kind of databases, based on column storage versus row storage. This technology is already used on some dedicated OLAP database engines. According to the study this new technology [...]
Posted in data access on Feb 21st, 2008
Two recent threads about this question:
on Java DZone,
on Jonathan Lehr’s blog.
To me, the question of which ORM is the best is outdated. The problem with ORM is the ‘O’ and the ‘R’.
A modern mapping solution, cannot be limited to RDBMS. It has to support XML files and streams, Web Services, mainframe transactions and other legacy or [...]
Posted in data access on Feb 19th, 2008
Persistence: Checkpoints
With Track Host: Patrick Linskey, co-leader, EJB3 and JDO spec teams
Managing data is not considered to be “sexy,” but it is essential. Our Checkpoints track looks at common ORM problems and solutions, as well as alternatives to ORM and persistence strategies. Browse all persistence sessions or select a title from below:
Data Integration for the [...]