Under normal circumstances, the cardinality ratio of the binary relationship…
Coal India Management Trainee CBT · 2017 · 2017 System · Paper II · Domain Knowledge
Under normal circumstances, the cardinality ratio of the binary relationship “Write” relating “Author” and “Book” entities is:
- A.
1 : N
- B.
N : 1
- C.
1 : 1
- D.
M : N
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