Re: best jdo implementation

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#475

From: Alexander Küken
Date: Wed, 10 Sep 2003 14:40

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In <bifg7r$8m0mj$1@ID-170682.news.uni-berlin.de> Amir Pashazadeh wrote:
> Hi,
> which optional features of JDO does it support?
> there are 22 optional features in JDO 1.0 specification, I think most
> important difference between implementations (and to determine which 
> one is better that the other one) is for support of standard optional 
> features,

Here is the list of the support of optional features from the TJDO page. 
So, Application Server support is not implemented. When you are looking 
for a free JDO implementation with application server support, you 
should wait a little bit. The new coming version of the J2EE Server 
JBoss includes his own JDO implementation. There is an article on 
jdocentral.com about it.

Application object identity  	No Second Class PersistenceCapable objects 	
No Query extensions: additional String methods 	Yes Alternate query 
language 	Yes Nontransactional reads 	Yes Nontransactional writes 	No
Retaining values after transaction commit 	Yes Optimistic transactions 	
No XA/Open distributed transactions 	No Transactional non-persistent 
fields 	No Transactional transient Objects 	No Application Server 
Integration 	No

Greets, Alexander

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From: Alexander Küken <Alexander.kueken@steinecke.de>
Newsgroups: borland.public.jbuilder.java.api,borland.public.jbuilder.java.language,comp.lang.java.databases,comp.lang.java.programmer,comp.lang.java.softwaretools
Subject: Re: best jdo implementation
Date: Wed, 10 Sep 2003 16:40:00 +0200
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