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:

Employee Preferences

The various desires or priorities of employees, such as work conditions, benefits, and job roles.

Clan Cultures

Describes organizational cultures emphasizing family-like values, where loyalty, tradition, and personal relationships are paramount.

Performance-Reward Agreements

Contracts or understandings that link the achievement of specific performance levels to designated rewards or benefits.

Resource Allocations

The management and distribution of available resources, such as time, money, and personnel, within an organization or project to ensure efficiency and effectiveness.