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 220.127.116.11 to 18.104.22.168 [Release 12.2]
Information in this document applies to any platform.
Upgrading the Oracle Database from 22.214.171.124 to 126.96.36.199
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;
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