Just out of interest, what type of application is running on the database? I was just wondering why you were not using the plan stability features in 8i on your production database.
Regards, Craig Munday.
At 05:45 AM 2/06/2003 -0800, Craig Healey wrote:
OK, I'm confused. Maybe it's Monday morning and my brain's not working. We have a production schema and a test schema on the same Oracle 8.1.7 instance, running on Windows. They both have a customer table, with 3 million and 2 million records respectively. They both have the same indexes, and both have been analyzed today. Production used an index and took 40ms. Test didn't and took 20s. I played around, analyzing, dropping and creating indexes etc. Now neither of them use the index, both taking around 20s. I can add a hint, which works, but I want to know what changed.
TIA
Craig Healey
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