The old interface is no longer a proper subset of the new one.
旧接口不再是新接口的固有子集。
No non-prime attribute in the table is functionally dependent on a part (proper subset) of a candidate key.
不存在非主属性对任一候选键滴部分函数依赖。
No non-prime attribute in the table is functionally dependent on a part (proper subset) of a candidate key.
不存在非主属性对任一候选键滴部分函数依赖。
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