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:

Assignable Cause Variation

Variation in a process that is caused by identifiable factors, often signaling issues that need addressing to improve process performance.

P Chart

A kind of chart utilized to track the percentage of faulty products in a process across a duration.

Lower Control Limit

A statistical measure below which a process is considered to be out of control and requires adjustment.

Proportion

Represents a fraction or percentage that indicates the part of a whole.