Why Do Relational Databases Use Primary Keys and Foreign Keys

question 127

Multiple Choice

Why do relational databases use primary keys and foreign keys?

• A) To create an entity.
• B) To create physical relationships.
• C) To create logical relationships.
• D) To create an attribute.

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Definitions:

Inventory Investment

Financial resources committed to stock on hand, including materials, components, and finished products held for sale.

Supply-Operations Coordination

The process of integrating supply chain management and operations management to enhance efficiency and effectiveness.

Operational Excellence

The execution of business strategy more consistently and reliably than the competition, resulting in lead performance in revenue and profitability.

Indirect Spend

Expenses on goods and services that are not directly incorporated into a product being manufactured, such as office supplies or professional services.