I am trying to model the constraint depicted in the ORM diagram below using NORMA for Visual Studio 2010:
I am trying to model a concept using object-role-modelling, and I can\'t find the necessary constraint type. I\'m wondering if it exists.
孤儿泪 晓晓 专辑：孤儿泪 语种：国语 流派：Pop 唱片公司：名扬天下 上传时间：2019-01-17
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