Each Entity in a Database Has a Unique Attribute Called

question 7

Multiple Choice

Each entity in a database has a unique attribute called a(n) ________.

• A)public key
• B)identifier
• C)foreign key
• D)index field

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Definitions:

Boxplot

A graphical representation that displays the distribution of a dataset based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Histogram

A graphical representation of the distribution of numerical data through bars of various heights.

Temperatures

Measurements reflecting the degree of heat present in a substance or environment, often expressed in degrees Celsius, Fahrenheit, or Kelvin.

Weekly Salaries

The amount of money or compensation paid to an employee for work performed during a week, often expressed as an annual figure divided by 52 weeks.