On Sat, 7 May 2005 09:35:21 +0100, wrote:
One issue you have to consider is how the data is entered. If the user
selects from a drop down list then this is ok but you need to plan how the
drop down list is compiled. If not then you need to thinks about spelling
errors, language issues etc.
news [EMAIL PROTECTED] wrote on 05/06/2005 06:08:18 PM:
hi,
When designing data it is common to have lookup tables such
animal_type : dog=1, cat=2,bird=3 etc
And then in other tables to refer to animals by their number 1, 2
or 3. This is memory and
presumably speed efficient. Howver
-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of zzapper
Sent: 06 May 2005 23:08
To: mysql@lists.mysql.com
Subject: Data Design : Numeric or keyword lookup values?
hi,
When designing data it is common to have lookup tables such animal_type :
dog=1, cat=2,bird=3 etc
And then in other
hi,
When designing data it is common to have lookup tables such animal_type :
dog=1, cat=2,bird=3 etc
And then in other tables to refer to animals by their number 1, 2 or 3. This
is memory and
presumably speed efficient. Howver not much fun for humans who are
reading/debugging the data.
