RE: HOW TO KNOW INDEX NOT IN USE?

Another option you have if your Oracle version is high enough is to use Stored Outlines.  Enable automatic generation of stored outlines for a full processing cycle as defined by the application (full month, Qtr, etc.)  Then extract all of the indexes used during that cycle from OL$HINTS.HINT_TEXT (i.e.. WHERE HINT_TEXT LIKE 'INDEX%'). If all of your application code has been traversed in the cycle then this list will be pretty darn close to real usage.  Even if you can't wait until year-end processing, you can eliminate the bulk of code to be mined for embedded SQL and focus on those once-a-year programs.

HTH Tony Aponte

-----Original Message-----

From: Seema Singh [mailto:oracledbam_at_hotmail.com]

Sent: Monday, February 04, 2002 12:55 PM

To: Multiple recipients of list ORACLE-L

Subject: HOW TO KNOW INDEX NOT IN USE?

Hi

I there any view which can tell us which indexes are not in use?

Thx

-Seema

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Author: Seema Singh

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