Parallel SQL Increases The Child Cursor If The SQL Has CHAR BIND Variable With CASE Expression Or UNION Clause

(Doc ID 2321527.1)

Last updated on NOVEMBER 06, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Parallel SQL increases the Child Cursor if The SQL has CHAR BIND Variable with CASE expression Or UNION clause.

The following SQL can be used to verify the Version Count and Bind Mismatch Value:
select sql_id, hash_value, version_count from gv$sqlarea where sql_id = '<sql_id>';
select * from table(version_rpt('<sqlid>'));

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms