Oracle-L: RE: How Reliable is Explain Plan in 9.2

From: Toepke, Kevin M <ktoepke_at_trilegiant.com>
Date: Thu, 06 Mar 2003 09:09:39 -0800
Message-ID: <F001.0056227A.20030306090939@fatcity.com>

Yes, the v$sql_plan is new in 9i

-----Original Message-----
Sent: Thursday, March 06, 2003 10:34 AM
To: Multiple recipients of list ORACLE-L

MessageIs that something new in 9i? I don't have it in 8.1.7.

Original Message ----- To: Multiple recipients of list ORACLE-L Sent: Wednesday, March 05, 2003 4:19 PM

Ahhhh, that is what he is talking about, I wasn't aware of v$sql_plan. -----Original Message-----
Sent: Wednesday, March 05, 2003 2:30 PM
To: Multiple recipients of list ORACLE-L

As far as I can tell, the Explain Plan is 100% reliable. It shows how the query would execute if it was run from that session at that momement in time.

If you want to see how a query in the SGA actually ran, query the Oracle9i v$sql_plan view.

Kevin

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Author: Chuck Hamilton
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Author: Toepke, Kevin M
INET: ktoepke_at_trilegiant.com

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