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 18.104.22.168 and later
Information in this document applies to any platform.
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
This could be seen after upgrading from 12.1 to a newer version like 12.2 and above
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