Recursive entity set is S1: It is an entity type with foreign key referring to…
Recursive entity set is
S1: It is an entity type with foreign key referring to same table or itself
S2: Recursive entity type occurs in unary relationship
Which of the above statements is/ are correct?
- A.
only S1
- B.
only S2
- C.
Both S1 & S2
- D.
Neither S1 nor S2
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