she knows why it isn't being used. What Suzy wants to know (and I do too,
because I have a similar situation) is if there is a way to create an index
that will let you search with the like clause.
Unfortunately my gut instinct is that you can't make Oracle do that
>From: "Hillman, Alex" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
>Subject: RE: function index for like '%string%'
>Date: Fri, 01 Jun 2001 14:11:08 -0800
>
>index is not used because you have leading % in the like predicate.
>
>Alex Hillman
>
>-----Original Message-----
>Sent: Friday, June 01, 2001 5:09 PM
>To: Multiple recipients of list ORACLE-L
>
>
>
>I've created a function index for lower(column_name). However the query
>does
>a like comparison rather than equality so the index isn't used. Is there a
>way to create a function index for this?
>
>Here's the index and query:
>
>create index fx1_auth_users
>on auth_users (lower(current_email)
>tablespace app01_midx ;
>
>select current_email from auth_users
>where lower(current_email) like '%datsit.com%' ;
>
>Thanks much,
>Suzy
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