Oracle-L: Re: function based index

From: Tim Gorman <Tim_at_SageLogix.com>
Date: Mon, 22 Apr 2002 14:38:43 -0800
Message-ID: <F001.0044BC19.20020422143843@fatcity.com>

QUERY_REWRITE must be enabled. Either for the instance (i.e. init.ora or alter system set), for the session (alter session set) or for a single SQL statement (i.e. SQL hint "rewrite")...

You'll also need to analyze the index with either ANALYZE or DBMS_STATS...

Original Message ----- From: Big Planet To: Multiple recipients of list ORACLE-L Sent: Monday, April 22, 2002 2:15 PM Subject: function based index

I have created a function based index on one column , but query is still noy using it . What should be the reason ?

  oracle 8.1.7
  cost based optimizer
  table and index analyzed recently

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Author: Tim Gorman
INET: Tim_at_SageLogix.com

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