Database - ER Model and Business Rules - Discussion

Discussion Forum : ER Model and Business Rules - General Questions (Q.No. 12)
12.
When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?
Disjoint with total specialization
Disjoint with partial specialization
Overlap with total specialization
Overlap with partial specialization
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Mekonini kasu said:   1 year ago
I think Overlap with partial specialization is the correct answer.

Deepika said:   9 years ago
The correct answer is partial specialization.

Nikita said:   9 years ago
The answer is correct. It is total specialization.

Ankur Raina said:   1 decade ago
The answer given is wrong. It is partial specialization.

Option (D).

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