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Home -> Community -> Usenet -> comp.databases.theory -> Re: Question on duplicates
On Sun, 3 Mar 2002 22:02:22 -0800, "Daniel Guntermann"
<guntermann_at_uswest.net> wrote:
>At least
>one candidate key is required for a "tuple-level addressing mechanism".
And if the table is so small that the index isn't useful, hopefully the optimizer knows to ignore it.
J. Received on Tue Mar 05 2002 - 21:03:40 CST
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