CTAS OR INSERT SELECT TAKES EXCESSIVE TIME COMPARED TO STANDALONE SELECT
(Doc ID 268294.1)
Last updated on MAY 15, 2020
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
-- Insert as select and Create table as select on views is slow.
-- Select statement contains GROUP BY clause.
-- Standalone Select works fast.
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