Re: DBDesign Q

"Alan" <alan_at_erols.com> wrote in message <ews:bpttkf$1rvv8s$1_at_ID-114862.news.uni-berlin.de>..

> Very briefly. An ERD models business entities and relationships, and there
> can be > 1 relationship between the same enities. When you map the ERD to a
> realtional schema these multiple relationships combine into non-redundant
> tables.

Are you sure you're not misinterpreting an ERD tool's quirks as Gospel?

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Joe Foster <mailto:jlfoster%40znet.com>  KrazyKookKultz! <http://www.xenu.net/>
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