Re: When does one put data into a separate table?
- From: Paul <paul@xxxxxxxxxxxxxx>
- Date: Wed, 27 Jul 2005 17:57:13 +0100
"David Cressey" <david.cressey@xxxxxxxxxxxxx> wrote:
>Let me start with Language2 and Language3.
>
>What is the meaning of these two columns? In particular, do they mean the
>same thing? If one person has the code for "Spanish" in Language2, and the
>code for "French" in Language3, while another person has the same two codes,
>permuted, does that carry the same message?
>
>If the answer is "yes" then it's already time to normalize the design, by
>combining those two columns into one column, and putting that new column in
>a separate table.
>
>If the answer is "no" then I'd like to know what the difference in meaning
>of Language2 and Language3 is, given that they refer to the same master set.
>
>More details later, if desired.
Good explanation which I had already understood, but this has really
crystallised it in my mind. I think Marshall put it succinctly, the
Golden Number is 1!!!
p.s. did you look at Firebird?
Paul...
--
plinehan __at__ yahoo __dot__ __com__
XP Pro, SP 2,
Oracle, 9.2.0.1.0 (Enterprise Ed.)
Interbase 6.0.1.0;
When asking database related questions, please give other posters
some clues, like operating system, version of db being used and DDL.
The exact text and/or number of error messages is useful (!= "it didn't work!").
Thanks.
Furthermore, as a courtesy to those who spend
time analysing and attempting to help, please
do not top post.
.
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