Design attribute domain integrity. Considerations include CHECK constraints, data types, and nullability.

设计域完整性属性。考虑CHECK约束，数据类型和是否非空。

youdao

Design attribute domain integrity. Considerations include CHECK constraints, data types, and nullability.

设计域完整性属性。考虑CHECK约束，数据类型和是否非空。

youdao