How to obtain SQL And Optimizer Traces for a Materialized View (MV) Creation Or Refresh Process?
Last updated on JANUARY 18, 2017
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.
In order to diagnose performance issues with the creation or refresh of
a Materialized View, SQL (10046) and Optimizer (10053) traces are
a good starting point in most cases.
This note will describe the necessary steps and some caveats when collecting the information.
The steps described will be given in both the old (including 11g and before) and new format
(including 11g and later)
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