Re: Data Modeling?

Urich Ann said: > Is it a 'norm' that DBA's use a data model (both logical and physical) > to design a database? Theoretically, yes. > or > Are data models mostly used as a 'post-design' afterthought, to document > what is physically already implemented? If you're lucky. Most of the time they are out-of-date, half-assed attempts at documentation or design models that were given up on. > In most shops that I have worked, we never used a model. And if they did > have a data model, it was never up-to-date. > The model was an after-thought for documentation purposes... It was done > after the table was implemented in Production. Yes. > Is there a good modeling tool for Informix 10? I don't like Erwin any more. Had too many problems with it. > Is there any one 'data modeling' design class that is better then > others? I only ever attended the Informix RDBD course, it was good enough for me. ;o) -- Bye now, Obnoxio "I don't read newspapers anymore except the local rag which I do weekly to cheer myself trying to see if anyone I hate has been stabbed." -- Horribilis XVI -- This message has been scanned for viruses and dangerous content by OpenProtect(http://www.openprotect.com), and is believed to be clean.