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How to Obtain Tracing of Optimizer Computations (EVENT 10053) (Doc ID 225598.1)

Last updated on MARCH 01, 2024

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


To provide instructions on obtaining optimizer tracing to enable Oracle Support Engineers to diagnose optimizer decisions and behaviour.


Customers needing to obtain 10053 trace under the direction of Oracle Support Engineers. The article explain a straightforward method of obtaining this trace.


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