SELECT with pipelined function is not executed as parallel
(Doc ID 2168864.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
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SELECT with pipelined function is sometimes executed serially even if explain plan shows parallel plan.
We can see this behavior with the following testcase.
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