Start of change

-784   CONSTRAINT constraint-name CANNOT BE DROPPED.

Explanation

A constraint that is implicitly generated when a BUSINESS_TIME period is defined cannot be dropped using an ALTER TABLE statement with either a DROP CHECK or DROP CONSTRAINT clause.

constraint-name
The name of the constraint that cannot be dropped.

System action

The statement cannot be processed.

User response

No action is required.

SQLSTATE

42860

End of change