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** bitmap index for lot of nulls

From: A Joshi <ajoshi977_at_yahoo.com>
Date: Mon, 04 Aug 2003 09:49:30 -0800
Message-ID: <F001.005C8D5D.20030804094930@fatcity.com>


Hi,
  I am creating an index on a column that is null in most (over 95%) of the rows. In the rest of the rows it is expected to be unique. Is bitmap index suited for this? Thanks You.



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Author: A Joshi
  INET: ajoshi977_at_yahoo.com
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