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WITH Clause Queries Slow due to High Child Cursor Mismatches for "AUTH_CHECK_MISMATCH" and "TRANSLATION_MISMATCH" (Doc ID 2632997.1)

Last updated on OCTOBER 29, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 19.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

A query containing a WITH clause initially takes less than a second, but subsequent reruns take longer and longer.  Hundreds of child cursors are created.  Counts from v$sql_shared_cursor showed high-count mismatches for reasons  "AUTH_CHECK_MISMATCH" and "TRANSLATION_MISMATCH".

Query:

Cause

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