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ALTER TABLE ADD COLUMN Might Take Long Time to Execute (Doc ID 2724392.1)

Last updated on MARCH 04, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

ALTER TABLE ADD COLUMN Might Take Long Time to Execute. For example:


ALTER TABLE <schema>.<table> ADD test_column NUMBER(38,0) DEFAULT 0 NOT NULL ENABLE;

when table has policies associated

Changes

 This could be seen after upgrading from 12.1 to a newer version like 12.2 and above

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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