Posted by Erland Sommarskog on 02/17/06 00:27

ibiza (lambertb@gmail.com) writes:
> thank you very much for your excellent reply.
> Is there a big performance difference between the two methods? I guess
> the only difference is that the identity numbers increment a lot
> quicker with the first method of deleting a batch then reinserting a
> batch, even if only a few records differ.

Why is there an IDENTITY columns at all? Surely a pair of
(foliotitle_idfolio, foliotitle_idtable) can only appear once in table?
Then this should be the primary key, and not any identity column.


--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

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