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A database trigger is procedural code that is automatically executed in response to certain events on a particular table in a database.
Database triggers can contain a warning about an extra trigger.
Extra triggers can cause upgrade failures and functionality problems.
Problem: If the verification process finds an extra trigger, it generates an Extra Trigger warning.
Note: This problem requires manual repair. The repair process cannot fix it.
Solution: Before upgrading, back up your database schema and remove the extra triggers manually.
Because extra triggers can cause upgrade failures, the upgrade process cannot ignore this warning by using the Exception file. For details, see Change the database user schema.
