Re: primary keys and dictionary overhead
- From: Sidney Chen <huanshengchen@xxxxxxxxx>
- To: oracledbaquestions@xxxxxxxxx
- Date: Sun, 23 Oct 2011 12:19:48 +0800
two question:
1. what's your motivation to add unique constraints into primary keys? it's
from business request, or it's because you believe it the constraint will
benifit the performance?
2. There must be a reason why previous guy decide to pull out the
constraints, I think there should be a benchmark report to address this
decision, see if you can get the document. James Mole did not mention
constraint related design in his exceptional book "Scaling Oracle 8i", but
he did emphasize the importance of the benchmark in a whole chapter.
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Regards
Sidney Chen
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