ORA-02442: Cannot drop nonexistent unique key - Oracle Database 12c Error Messages

Published: 15 March 2023
on channel: java frm

In this video we are going to see how to fix below Oracle Database 12c Error Message.

ORA-02442: Cannot drop nonexistent unique key.
Cause: alter table drop unique (col list) - unique specification does not exist.
Action: make sure column list for unique constraint is correct.

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