Re: 3NF question
From: David Cressey <david.cressey_at_earthlink.net>
Date: Wed, 12 Jan 2005 14:21:19 GMT
Message-ID: <znaFd.4457$KJ2.2651_at_newsread3.news.atl.earthlink.net>
Date: Wed, 12 Jan 2005 14:21:19 GMT
Message-ID: <znaFd.4457$KJ2.2651_at_newsread3.news.atl.earthlink.net>
"vldm10" <vldm10_at_yahoo.com> wrote in message news:1105400808.349778.54120_at_c13g2000cwb.googlegroups.com...
> This is not necessarily true. There are first three steps in designing
> db applications and solutions: 1. Analysis; 2. Conceptual model; 3.
> Relational model (or other DB models)
> It is not necessary to set column-name rules from Relational Model in
When I learned it, the three steps were
- Analysis
- Logical Design
- Physical Design
The conceptual model was an outcome of analysis. The logical model was an outcome of logical design. The physical model was an outcome of physical design.
Not that it matters much in the discussion of "ID" as a name. Received on Wed Jan 12 2005 - 15:21:19 CET