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From Rick Genter <rgen...@silverlink.com>
Subject Re: how to cascade on update? Not possible?
Date Tue, 16 Mar 2010 01:50:40 GMT
On 3/15/10 6:46 PM, "Ronald Rudy" <ronchalant@gmail.com> wrote:

> I believe you want to look at this:
> http://db.apache.org/derby/manuals/reference/sqlj32.html
> 
>  <http://db.apache.org/derby/manuals/reference/sqlj32.html> Specifically the
> referential ON UPDATE in constraints.  The only "ON UPDATE" actions that are
> allowed are "NO ACTION" and "RESTRICT"; Derby does not appear to support
> cascading updates.  You can log a feature request, I believe there might
> already be one for it based on this thread:
> http://old.nabble.com/ON-UPDATE-CASCADE-in-derby-td1633870.html
> 
> Incidentally I do believe that MySQL supports on update cascade with its
> INNODB engine, and I do think MS SQL does as well
> (http://msdn.microsoft.com/en-us/library/aa275462(SQL.80).aspx)
> 
Thank you for the pointer. I learn something new every day ;-).
-- 
Rick Genter
Principal Software Engineer
Silverlink Communications
rgenter@silverlink.com
www.silverlink.com
Office (781) 583-7145
Mobile (408) 398-7006

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