Hello guys i am currently thinking on how to map a database table like
this


    create table [User] (
        Id UNIQUEIDENTIFIER not null,
       RecordVersion INT not null,
       Email NVARCHAR(255) null,
       Password NVARCHAR(255) null,
       UserCategory INT null,
       primary key (Id)
    )


    create table Doctor (
        Id UNIQUEIDENTIFIER not null,
       RecordVersion INT not null,
       Firstname NVARCHAR(255) null,
       Lastname NVARCHAR(255) null,
       Middlename NVARCHAR(255) null,
       Gender INT null,
       Birthdate DATETIME null,
       primary key (Id)
    )

    create table Secretary (
        Id UNIQUEIDENTIFIER not null,
       RecordVersion INT not null,
       Firstname NVARCHAR(255) null,
       Lastname NVARCHAR(255) null,
       Middlename NVARCHAR(255) null,
       Gender INT null,
       Birthdate DATETIME null,
       primary key (Id)
    )

    alter table Doctor
        add constraint FKCE4594AAF1922C4D
        foreign key (Id)
        references [User]

    alter table Secretary
        add constraint FKF4B0E86CF1922C4D
        foreign key (Id)
        references [User]


what will the xml mapping file will look like?

can i use polymorphic association with it?
thanks guys in advance :)

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