RE: index on null column

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Thu, 27 Mar 2003 18:33:36 -0800
Message-ID: <F001.00574E52.20030327183336@fatcity.com>

AK

   Yes, it will benefit the non-null records. Just remember that the null values aren't indexes.

Dennis Williams
DBA, 40%OCP, 100% DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Thursday, March 27, 2003 5:19 PM
To: Multiple recipients of list ORACLE-L

I have a table with column A. there are 1000000 records in table out of which 500o records has not null in column A rest are null. if i created an index on A, will it benefit .  

thanks,
ak

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Author: DENNIS WILLIAMS
  INET: DWILLIAMS_at_LIFETOUCH.COM

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