How to Drop System-Created Column Groups and their Statistics
(Doc ID 2255331.1)
Last updated on NOVEMBER 04, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
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
Information in this document applies to any platform.
You may encounter column groups, created automatically by the cost-based optimizer, which you would prefer to drop (perhaps they are unnecessary.) This note explains how to drop system-created column groups and their statistics.
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