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From "Ahimanikya Satapathy" <ASatapa...@SeeBeyond.com>
Subject RE: Derby embedded in Geronimo
Date Fri, 01 Oct 2004 20:17:35 GMT
http://c2.com/cgi/wiki?AxionDatabase

This link has some info...

> -----Original Message-----
> From: Noel J. Bergman [mailto:noel@devtech.com]
> Sent: Friday, October 01, 2004 1:11 PM
> To: Derby Development
> Subject: RE: Derby embedded in Geronimo
> 
> Jeremy Boynes wrote:
> 
> > If things work out well and there are no objections I plan
> > to switch away from Axion as our default embedded database.
> 
> Obvious question would be why.  Seems as if there are some technical
> reasons.  As I understand them, totally hearsay, they are:
> 
>   Axion: faster startup time,
>          great for unit testing
>          each transaction has its own copy of data
>          Oracle compatible SQL dialect (sequences, etc.)
>          ~400K
> 
>   Derby: XA support
>          multiple concurrent users
>          transactions use locking
>          DB2 compatible SQL dialect
>          ~3MB
> 
> Is that correct?  Anything else?  Both are good, but with some
> differences,
> so it might be helpful to have a comparison matrix if there are
> knowledgable
> people who would contribute to it.
> 
> 	--- Noel


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