At the implementation level,the supertype and its subtype(s)depicted in the specialization hierarchy maintain a ____ relationship.
A) self-referencing
B) 1:1
C) 1:M
D) M:N

Question

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The Answer of At the implementation level,the supertype and its subtype(s)depicted in the specialization hierarchy maintain a ____ relationship.
A) self-referencing
B) 1:1
C) 1:M
D) M:N

At the Implementation Level,the Supertype and Its Subtype(s)depicted in the Specialization