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19.x:Upgrade of database failed with "ORA-02437: cannot validate (SYS.WRI$_ALERT_HISTORY_PK) - primary key violated " (Doc ID 2752522.1)

Last updated on FEBRUARY 23, 2021

Applies to:

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


Upgrading database from 11gr2 to 19c failed with below errors

catupgrd0.log :



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