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Cost-Based Oracle Fundamentals (Volume 0) Review by Dennis W. Willaims
Invaluable Oracle Resource
Jonathan Lewis has perfomed an invaluable service to the Oracle community. He doesn't just offer opinions of how the CBO makes decisions from his vast experience. He also offers the scripts he used to verify behavior of the Oracle CBO. This equips the user to replicate Jonathan's work with newer versions of oracle and adapt the scripts to your circumstances.
Dennis Williams