> To get the 10053 trace, you will need to reparse the query - you might
have
> to flush the shared pool or perform other shared sql invalidations (such
as

I normally just modify the query to have comment /* test1 */ or /* test2 */
etc. in it. That way it's easy to search from possibly long 10053 trace for
specific instances of your query.

As Wolfgang stated, if you got only the QUERY string and query text in your
trace then you're using either RBO, or your query isn't hard parsed which
generates the full trace. If your statistics seem to be correct and
optimizer mode is other than RULE and you still don't get the trace, try
some hint such is first_rows, in your query to force CBO use. (of course
this first_rows hint might change your execution plan itself, but is useful
to test whether you get full 10053 trace at all).

Tanel.


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Author: Tanel Poder
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