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RE: How to find index is used or not?

From: Koivu, Lisa <lkoivu_at_qode.com>
Date: Wed, 9 Aug 2000 08:07:20 -0400
Message-Id: <10584.114165@fatcity.com>


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If your index is the only object in a tablespace, then any reads in v$filestat for the files in that ts will reflect use of the index. However, I don't think I've ever seen a tablespace set aside just for an index.

hth.
Lisa

-----Original Message-----
From: Naik, Sandesh [mailto:Sandesh.Naik_at_compaq.com] Sent: Tuesday, August 08, 2000 6:26 PM
To: Multiple recipients of list ORACLE-L Subject: RE: How to find index is used or not?

What should I check in v$filestat?
 Do you have any query to check this?

-----Original Message-----
Sent: Friday, August 04, 2000 5:16 PM
To: Multiple recipients of list ORACLE-L

Check out v$filestat.

-----Original Message-----
<mailto:Sandesh.Naik_at_compaq.com> ]

Sent: Friday, August 04, 2000 11:25 AM
To: Multiple recipients of list ORACLE-L

Hi All,
 This might be a very simple question? but is there a way to find once created index is used or not? I mean is there any table which tells us that this index has not been used by any query for last so many days or months ...?
 If yes, would you like to share that with me? Thanks
-Sandesh

-- 
Author: Naik, Sandesh 
  INET: Sandesh.Naik_at_compaq.com 

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  INET: Sandesh.Naik_at_compaq.com

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<P><FONT SIZE=3D2>If your index is the only object in a tablespace, =
then any reads in v$filestat for the files in that ts will reflect use = of the index.&nbsp; However, I don't think I've ever seen a tablespace = set aside just for an index.&nbsp; </FONT></P>
<P><FONT SIZE=3D2>hth.</FONT>
<BR><FONT SIZE=3D2>Lisa</FONT>
</P>

<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: Naik, Sandesh [<A =
HREF=3D"mailto:Sandesh.Naik_at_compaq.com">mailto:Sandesh.Naik_at_compaq.com</= A>]</FONT>
<BR><FONT SIZE=3D2>Sent: Tuesday, August 08, 2000 6:26 PM</FONT>
<BR><FONT SIZE=3D2>To: Multiple recipients of list ORACLE-L</FONT>
<BR><FONT SIZE=3D2>Subject: RE: How to find index is used or =
not?</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>What should I check in v$filestat?</FONT>
<BR><FONT SIZE=3D2>&nbsp;Do you have any query to check this?</FONT>
</P>

<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>Sent: Friday, August 04, 2000 5:16 PM</FONT>
<BR><FONT SIZE=3D2>To: Multiple recipients of list ORACLE-L</FONT>
</P>
<BR>
<BR>

<P><FONT SIZE=3D2>Check out v$filestat. </FONT>
</P>
<BR>

<P><FONT SIZE=3D2>-----Original Message----- </FONT>
<BR><FONT SIZE=3D2>&lt;<A =
HREF=3D"mailto:Sandesh.Naik_at_compaq.com">mailto:Sandesh.Naik_at_compaq.com</= A>&gt; ] </FONT>
<BR><FONT SIZE=3D2>Sent: Friday, August 04, 2000 11:25 AM </FONT>
<BR><FONT SIZE=3D2>To: Multiple recipients of list ORACLE-L </FONT>
</P>
<BR>
<BR>

<P><FONT SIZE=3D2>Hi All, </FONT>
<BR><FONT SIZE=3D2>&nbsp;This might be a&nbsp; very simple question? =
but is there a way to find once </FONT>
<BR><FONT SIZE=3D2>created index is used or not? I mean is there any =
table which tells us that </FONT>
<BR><FONT SIZE=3D2>this index has not been used by any query for last =
so many days or months </FONT>
<BR><FONT SIZE=3D2>...? </FONT>
<BR><FONT SIZE=3D2>&nbsp;If yes, would you like to share that with me? =
</FONT>
<BR><FONT SIZE=3D2>Thanks </FONT>
<BR><FONT SIZE=3D2>-Sandesh </FONT>
<BR><FONT SIZE=3D2>-- </FONT>
<BR><FONT SIZE=3D2>Author: Naik, Sandesh </FONT>
<BR><FONT SIZE=3D2>&nbsp; INET: Sandesh.Naik_at_compaq.com </FONT>
</P>

<P><FONT SIZE=3D2>Fat City Network Services&nbsp;&nbsp;&nbsp; -- (858) =
538-5051&nbsp; FAX: (858) 538-5051 </FONT>
<BR><FONT SIZE=3D2>San Diego, =
California&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Public Internet = access / Mailing Lists </FONT>
<BR><FONT =
SIZE=3D2>---------------------------------------------------------------= ----- </FONT>
<BR><FONT SIZE=3D2>To REMOVE yourself from this mailing list, send an =
E-Mail message </FONT>
<BR><FONT SIZE=3D2>to: ListGuru_at_fatcity.com (note EXACT spelling of =
'ListGuru') and in </FONT>
<BR><FONT SIZE=3D2>the message BODY, include a line containing: UNSUB =
ORACLE-L </FONT>
<BR><FONT SIZE=3D2>(or the name of mailing list you want to be removed =
from).&nbsp; You may </FONT>
<BR><FONT SIZE=3D2>also send the HELP command for other information =
(like subscribing). </FONT>
</P>

<P><FONT SIZE=3D2>-- </FONT>
<BR><FONT SIZE=3D2>Author: Naik, Sandesh</FONT>
<BR><FONT SIZE=3D2>&nbsp; INET: Sandesh.Naik_at_compaq.com</FONT>
</P>

<P><FONT SIZE=3D2>Fat City Network Services&nbsp;&nbsp;&nbsp; -- (858) =
538-5051&nbsp; FAX: (858) 538-5051</FONT>
<BR><FONT SIZE=3D2>San Diego, =
California&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Public Internet = access / Mailing Lists</FONT>
<BR><FONT =
SIZE=3D2>---------------------------------------------------------------= -----</FONT>
<BR><FONT SIZE=3D2>To REMOVE yourself from this mailing list, send an =
E-Mail message</FONT>
<BR><FONT SIZE=3D2>to: ListGuru_at_fatcity.com (note EXACT spelling of =
'ListGuru') and in</FONT>
<BR><FONT SIZE=3D2>the message BODY, include a line containing: UNSUB =
ORACLE-L</FONT>
<BR><FONT SIZE=3D2>(or the name of mailing list you want to be removed =
from).&nbsp; You may</FONT>
Received on Wed Aug 09 2000 - 07:07:20 CDT

Original text of this message

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