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Database Upgrade to 12.2 is slow when it alters table histgrm$ (Doc ID 2490129.1)

Last updated on MARCH 11, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 to 12.2.0.1 [Release 12.2]
Information in this document applies to any platform.

Symptoms

Upgrading the Oracle Database from 11.2.0.4 to 12.2.0.1
The following operation took is very slow which takes  2+ hours.
04:44:34 SQL> alter table histgrm$ add ep_repeat_count number default 0 not null;

Table altered.
Elapsed: 02:19:32.15



Cause

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In this Document
Symptoms
Cause
Solution
References


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