A Primary Key Is

question 82

Multiple Choice

A primary key is:

• A) required to be unique.
• B) used to represent rows in relationships.
• C) a candidate key.
• D) used to identify unique rows.
• E) All of the above

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Definitions:

Well-structured Problems

Pertains to problems that have clearly defined parameters and solutions, often with known methods for solving them.

Routine Decision

Choices or judgments made during regular, day-to-day activities that are often repetitive and require minimal thought.

Ill-structured Problem

A problem that lacks a clear path to a solution, often requiring creative or critical thinking for resolution.

Existing State

The current condition or situation of a system, organization, or individual before any changes or interventions are made.