Re: parent/child relationship in the same table.
From: <MSherrill_at_compuserve.com>
Date: Wed, 21 Nov 2001 06:09:25 GMT
Message-ID: <3bf97cbb.104099947_at_news.compuserve.com>
Date: Wed, 21 Nov 2001 06:09:25 GMT
Message-ID: <3bf97cbb.104099947_at_news.compuserve.com>
On 18 Nov 2001 15:24:10 -0800, jraustin1_at_hotmail.com (James) wrote:
>Generally yes, but since the parent and child are nearly identical, in
>this special case, they can be collapsed into one table.
What did your logical model look like? I'm wondering how a logical model that identifies two different entities yields a physical model that seems to have just one.
In any case, unrolling a dubious self-join might be in order. (No pun intended.)
-- Mike Sherrill Information Management SystemsReceived on Wed Nov 21 2001 - 07:09:25 CET
