Which of the Following Is Not True About a Relation

question 69

Multiple Choice

Which of the following is not true about a relation?

• A) A relation is a two-dimensional table.
• B) The cells of a relation must hold a single value.
• C) A relation may have duplicate column names.
• D) A relation may not have duplicate rows.
• E) The order of the rows of a relation is insignificant.

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Definitions:

CPI

The Consumer Price Index is a gauge that assesses the combined average cost of a variety of essential consumer items and services like healthcare, food, and transport, factoring in their weighted value.

Producer Price Index

Measure of the aggregate price level for intermediate products and wholesale goods.

Real Price

The price of a good or service after adjusting for inflation, reflecting its purchasing power over time.

Consumer Price Index

A metric that tracks the average fluctuation in prices urban consumers pay for a selection of consumer products and services over time.