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Re: indexing a column with only 2 or 3 values

From: Helma <bad_elefant_at_hotmail.com>
Date: Sat, 04 Aug 2007 08:51:30 -0700
Message-ID: <1186242690.394743.170650@o61g2000hsh.googlegroups.com> 





>




> Ideally you might arrange the design such that the small number of

> rows you typically want to identify are flagged with a 'Y' (say) and

> the rest left null. Then a standard btree index on that column would

> be compact and efficient.




Redesign? What's wrong with my suggestion to create an index on only
the Y value's?



H.
Received on Sat Aug 04 2007 - 10:51:30 CDT












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