does have a lot of good ODMG documentation in their community site! As Poet always had one of the most compliant implementations the docs are very generic.
I have learnt a lot from poet!
cheers,
Thomas
Russell Smyth wrote:
If you are looking for examples of advanced usage, dont bother with the book either - we just shelled out the $45 us and there are exactly 20 pages
on the Java binding - 2 of which are about the properties file that OJB does
not
use. The rest is a very spec-like description, with a lot of "mays" and "depends on how you read it" phrases. For instance the doc implies that
you must use the odmg collection classes (DCollection, etc) for any
persistent 1 to many relationship, but does not specify this explicitly.
The book is somewhat usefull, but not for someone looking for advanced examples (which we were!).
There is lots of stuff on the OQL, but you can find alot of that on the net
(like the reference pointed to by Hai), but even that dosnt quite fit the
OJB - the best example is this from the provided link
SELECT x FROM persons x WHERE x.name = "Pat"
OJB OQL does not support the aliasing (persons x) so the above has to be
written as
SELECT x FROM persons WHERE name = "Pat"
Unfortunately we have searched extensively, and cannot find any good references for advanced ODMG/Java useage.
-----Original Message-----
From: Hoang, Hai [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 04, 2002 7:31 AM
To: 'OJB Users List'
Subject: RE: OJB
http://www.ccs.neu.edu/home/ylmao/oql/oql.html
-----Original Message-----
From: Duma Rolando [mailto:[EMAIL PROTECTED]] Sent: Wednesday, December 04, 2002 7:58 AM
To: OJB Users List
Subject: OJB
I'm using OJB in a project and i choose to use the ODMG APIs.
My problem is that I don't have the ODMG book and so I think is very hard to
use all the OJB powerful features because of the OJB examples are really
"examples" and not useful for an advanced usage.
Can you suggest me some docs on the net that can help in the OJB/ODMG usage
or the only solution is to buy the ODMG book?
Sorry for my english, thank you for your answers.
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