Q10

MCQ1 mark, −0.33

In the context of owner and weak entity sets in the $\text{ER}$ (Entity-Relationship) data model, which one of the following statements is TRUE?

(A)

The weak entity set MUST have total participation in the identifying relationship

(B)

The owner entity set MUST have total participation in the identifying relationship

(C)

Both weak and owner entity sets MUST have total participation in the identifying relationship

(D)

Neither weak entity set nor owner entity set MUST have total participation in the identifying relationship

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