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Tim Dry wrote:
> I have a fairly large table (millions of rows) and I would like to be
> able to find rows that have a null value in a particular column. I
> know that regular indexes don't contain null values and thus an index
> on this particular column probably wouldn't help. I believe that
> bitmap indexes include nulls, but bitmap indexes are supposedly
> inefficient when the column is too selective. Are there other
> solutions?
>
> -Tim
Is this a one-time only or an ongoing requirement?
Dan Morgan Received on Thu Dec 05 2002 - 18:23:13 CST