PLS-00646: MAP or ORDER method must be defined in the root of the subtype hierarchy
Cause: An attempt was made to define a MAP or ORDER method in a subtype.
Action: Define the MAP or ORDER method in the root of the subtype hierarchy. You can override MAP methods in subtypes.
Cause: An attempt was made to define a MAP or ORDER method in a subtype.
Action: Define the MAP or ORDER method in the root of the subtype hierarchy. You can override MAP methods in subtypes.
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