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ORA-12986 While Dropping UNUSED Column (Doc ID 2718082.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 18.8.0.0.0 and later
Information in this document applies to any platform.

Symptoms

As part of a maintenance on a table we were dropping unused columns

alter table <TABLE_NAME> drop unused columns checkpoint 1000;

It failed with error

Cause

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In this Document
Symptoms
Cause
Solution
References


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