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Message Posted: Wed, 24 May 2006 @ 20:22:21 GMT


     
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Subj:   Thumb rules for denormalization
 
From:   Anomy Anom

<-- Anonymously Posted: Wednesday, May 24, 2006 08:50 -->

Hello All,

1)Im not sure whether I should be asking the question here. But I want to know from all the masters here the thumb rules for denormalisation. I mean, given a 3NF database, say, how do I go about denormalising? Which are the fields that are likely candidates? Please throw some light on this and please point me to resources where I can find such info.

2)I have often read NCR docs claiming that teradata can give very good performance even for a fairly normalised schema. Is this possible for huge volumes of data? Is there a need to always resort to dimensional modelling?


Many thanks



     
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