RE: sql question

From: R Zijlstra <rmsah_at_xs4all.nl>
Date: Fri, 2 Apr 2004 08:31:52 +0200
Message-Id: <200404020631.i326VDk2066890@smtp-out5.xs4all.nl>

Igor,
I think it should be:

select SUBSTR(hint, INSTR(hint,' ') + 1, LENGTH(hint) - INSTR(hint,' ') - 1),

       count(*)
  from dba_outline_hints
 where hint like '%INDEX%'
GROUP BY (SUBSTR(hint, INSTR(hint,' ') + 1, LENGTH(hint) - INSTR(hint,' ') - 1));

--List of indices not used:

Select index_name
  from user_indexes
 where index_name not in (

    Select distinct SUBSTR(hint, INSTR(hint,' ') + 1, LENGTH(hint) - INSTR(hint,' ') - 1)

      from dba_outline_hints
     where hint like '%INDEX%'
	 )

(INSTR changed)

Rob

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Received on Fri Apr 02 2004 - 00:27:44 CST