Which of the Following Is a Specialization Hierarchy Overlapping Constraint

question 32

Multiple Choice

Which of the following is a specialization hierarchy overlapping constraint scenario in case of partial completeness?

• A) Subtype sets are unique.
• B) Supertype has optional subtypes.
• C) Subtype discriminators cannot be null.
• D) Subtype does not have a supertype.

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Definitions:

Wholly Owned Subsidiary

A company whose entire share capital is 100% owned by another company, the parent company.

Straight-Line Method

A method of calculating depreciation or amortization by equally distributing the cost of an asset over its expected useful life.

Residual Value

The estimated amount that an asset will be worth at the end of its useful life.

Gross Margins

A company's revenue minus its cost of goods sold, expressed as a percentage, indicating the percentage of sales revenue that turns into profit.