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cj doodled thusly:
>I have a table with column A, B, C, D and E. The data is unique on A,
>B and C so I create a unique index on that.
And that's it. No more columns needed!
>Now I would also like to
>create a non-unique index on A, B, C and D.
wth4? If you use A,B,C in your predicates, you are already retrieving one single row (unique index). why add D? "to be sure-to be sure"?
Cheers
Nuno Souto
nsouto_at_optushome.com.au.nospam
Received on Fri Jan 25 2002 - 07:36:29 CST