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Star4567980 Star4567980
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6 years ago
At the implementation level, the supertype and its subtype(s) depicted in a specialization hierarchy maintain a(n) _____ relationship.
 a. self-referencing b. 1:1
  c. 1:M d. M:N
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Sammyfuria2Sammyfuria2
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6 years ago
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Star4567980 Author
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6 years ago
Smart ... Thanks!
Ctownsend
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Yesterday
Thanks for your help!!
Morgan-C
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2 hours ago
Good timing, thanks!
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