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设计域完整性属性。考虑CHECK约束,数据类型和是否非空。
Design attribute domain integrity. Considerations include CHECK constraints, data types, and nullability.
youdao
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设计域完整性属性。考虑CHECK约束,数据类型和是否非空。
Design attribute domain integrity. Considerations include CHECK constraints, data types, and nullability.
youdao