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
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