Suppose a Relational Database Contained Two Linked Tables

question 82

Multiple Choice

Suppose a relational database contained two linked tables.Which of the following items is not necessarily present in the database?

• A)Two primary keys
• B)Two foreign keys
• C)At least one column
• D)One foreign key

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Definitions:

Ranges

The span or scope between possible extremes or variations.

Physiological

Relating to the normal functions of living organisms and their parts.

Cognitive

Having to do with mental processes such as sensation and perception, memory, intelligence, language, thought, and problem solving.

Behavioral Components

The observable actions or reactions of individuals or groups in response to external or internal stimuli.