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one to one - EF Code First - 1-to-1 Optional Relationship
    I want to map an optional 1-to-1 relationship in an existing database with EF Code First. Simple schema: User ... the Dependent Role must be *. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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