Data Access discussed at Xcalia

I’ve read an interesting post in this blog, about the Relevance of Information and the myths of a Semantic Web. I’m afraid it is not fully related to Data Access, nonetheless it is interesting. Please note it is in French.
The author made an extremely valuable effort to express himself about the expectations and limitations of the Semantic Web. He indeed has some [...]

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In this post on TSS they insist on Tuscany being the OASIS OpenCSA SCA implementation. But don’t forget it is also the SDO and DAS Apache implementation.
See also Luciano Resende’s blog about that.

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Here is how the Referential Integrity Constraints are defined and managed in the Entity Framework.
It is defined in the CSDL file (conceptual schema).
I really appreciate the fact associations are defined outside entities. That is probably the best way of doing it. I still don’t understand why (most industrial) object languages don’t have a real management of [...]

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Yesterday, I’ve been invited to participate to a presentation / roundtable about the JCP by the Parisian JUG. Patrick Curran, chairman of the JCP, did a very nice presentation, also introducing the future trends for the JCP.
We then had good questions from the audience:

Is there any collaboration effort / alignment between the JSRs?

This needs to be [...]

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An excellent FAQ found on Danny Simmons’ blog.

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Microsoft is still trying to position the Entity Framework versus more traditional ORM approaches.
Seen this blog entry about this, on this interesting blog from Zlatko Michailov.
Summary:

EF is >> than ORM
ORM is basically:             Object Model —                              — DB Model
EF is:                               Object Model — Conceptual Model  — DB Models

The conceptual model is the EDM (Entity Data Model).
What they say [...]

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