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Sql tuning? any Issue?
Hi,
I develop some SQL queries for a client in a development environment.
I should optimize the queries before to roll out, by run it in traceonly mode in production environment.
For each query, I write 10 comparables queries and I'm waiting for results. How can I choose between differents explain plan?
DB: Oracle 9i
OS: Solaris 10
DB Size: 200 Tera Bytes
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