Query Using Bind Variables Performs Differently When SQL_TRACE=TRUE is Used

(Doc ID 803793.1)

Last updated on SEPTEMBER 15, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 10.2.0.4 [Release 9.2 to 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

Query using bind variables performs differently when I engage tracing (SQL_TRACE=TRUE) before running the query, compared to not engaging trace. For example:
Bind variable peeking is enabled

Changes

Query performs differently after trace is engaged.

Cause

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