Oracle-L: Re: Poor performance after moving Extempore database from

From: John Shaw <John.Shaw_at_correctionscorp.com>
Date: Mon, 11 Aug 2003 11:54:24 -0800
Message-ID: <F001.005CA201.20030811115424@fatcity.com>

Have you run statistics and changed your optimizer_index_caching and optimizer_cost_adj parameters?

>>> rlsmith_at_kmg.com 8/11/2003 2:14:28 PM >>>

We recently upgraded an application (Extempore) database from Oracle 7.3.4 to 8.1.7. The clients say the test database, still on Oracle 7.3.4 is much faster than the production database, now on 8.1.7. The server is newer and faster on the production database. The Oracle init parameters are pretty much identical.

When I access the database through SQL*PLUS or TOAD, the response is instantaneous. The app uses an ODBC connection which is also 8.1.7. I have tried attaching the tables in MS Access through ODBC. This too is instantaneous.

Any ideas?

Ron Smith

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Author: Smith, Ron L.
  INET: rlsmith_at_kmg.com 

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Author: John Shaw
  INET: John.Shaw_at_correctionscorp.com

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Received on Mon Aug 11 2003 - 14:54:24 CDT