For the Following Entity-Relationship Diagram, What Could the Primary Key

question 98

Multiple Choice

For the following entity-relationship diagram, what could the primary key be in the Grade entity?

• A)Primary key in Student entity
• B)Primary key in Course entity
• C)Its own primary key.
• D)Primary key made up of the primary keys in Student entity and Course entity
• E)It doesn't need a primary key.

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Definitions:

Limited Liability Company

An organizational form that merges the limited liability offered by a corporation with the partnership or sole proprietorship's benefit of pass-through taxation.

Limited Liability Partnership

A partnership in which some or all partners have limited liabilities, protecting them from being personally liable for the acts of the partnership.

Business Organization

A structured commercial or entrepreneurial entity set up according to a particular legal framework to conduct business and provide goods or services.

Perfect Substitutes

Products or offerings that serve as substitutes for one another without diminishing the consumer's satisfaction.