Setting Virtual columns to UNUSED Generates "ORA-12996: cannot drop system-generated virtual column" When Extended Statistics are Present
Last updated on NOVEMBER 10, 2016
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
- Setting a virtual column to UNUSED Generates "ORA-12996: cannot drop system-generated virtual column"
- A function based index exists on the virtual column (this is why it is marked as DROPPABLE = NO)
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