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Message Posted: Thu, 11 May 2006 @ 09:36:33 GMT


     
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Subj:   Re: Multiset and set with unique primary index
 
From:   Anomy Anom

<-- Anonymously Posted: Thursday, May 11, 2006 05:25 -->

Hi,

SET/ MULTISET helps to keep the uniqueness of the complete record set, not the Index column.

As you depicted, definition of SET/ MULTISET for a table with UPI is REDUNDANT, (UPI checks for uniqueness and hence record set has to be different, ie SET)

but SET/ MULTISET definition is useful when you have NUPI.

SET with NUPI & MULTISET with NUPI is surely different.

Did this address the question ?


Thx



     
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