Re: Hierachical structures - an overview
From: Mike MacSween <mike.macsween.nospam_at_btinternet.com>
Date: Sun, 4 Jan 2004 20:28:11 -0000
Message-ID: <3ff8775b$0$52879$5a6aecb4_at_news.aaisp.net.uk>
Date: Sun, 4 Jan 2004 20:28:11 -0000
Message-ID: <3ff8775b$0$52879$5a6aecb4_at_news.aaisp.net.uk>
"Roger" <lesperancer_at_natpro.com> wrote in message
news:8c7a509f.0401041217.6a059e38_at_posting.google.com...
> I'm not sure why 'nested sets are expensive when the structure
> changes' ??
> in the mdb example that I emailed you, the fields subject, content and
> communication date could be put in tblContact (or a new one) so that
> the mechanism to add nodes to trees never changes, just the contents
> of ornament (tblContact or tbl...) does
I'll look at it in more detail. Thanks very much Roger for sending me that.
Yours, Mike Received on Sun Jan 04 2004 - 21:28:11 CET