Re: Designer 2K ERD and DE notations. HELP!
From: Mark Kramm <kramm_at_palindrome-solutions.com>
Date: 24 Feb 1999 19:07:16 GMT
Message-ID: <7b1il4$ort_at_bgtnsc03.worldnet.att.net>
Date: 24 Feb 1999 19:07:16 GMT
Message-ID: <7b1il4$ort_at_bgtnsc03.worldnet.att.net>
If the line is dotted, it means the FK is optional. If solid it is mandatory. remember that the optionality only applies to the side with the FK. Oracle does not enforce optionality from the other end.
Regards,
Mark
Keith Kwiatek wrote in message <7aueml$10n$1_at_news.nist.gov>...
>Hello,
>
>I am having a problem understanding the notational differences between the
>Designer 2000 ERD diagrammer and the server model diagrammer. In the ERD
you
>denote optionality with a dashed line on PART of the line....the server
>model diagrammer seems to only be a solid line or a dashed line?
>
>What other differences are there?
>
>Please post or email me at kkwiatek_at_nist.gov
>Thanks
>
>
>
>
>
Received on Wed Feb 24 1999 - 20:07:16 CET