Re: index on null column

It means if I do a query with where clause with A=:x its going to go for index .
Does oracle go to table if :x is null. It looks like it does . ???

-ak

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Thursday, March 27, 2003 6:33 PM

> 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
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: DENNIS WILLIAMS
> INET: DWILLIAMS_at_LIFETOUCH.COM
>
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-- 
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-- 
Author: AK
  INET: oramagic_at_hotmail.com

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