The Deletion Anomaly in Unnormalized Databases

question 38

Multiple Choice

The deletion anomaly in unnormalized databases

• A)is easily detected by users
• B)may result in the loss of important data
• C)complicates adding records to the database
• D)requires the user to perform excessive updates

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Definitions:

Producer Surpluses

The difference between the actual amount received by sellers and the minimum amount they would be willing to accept for their goods or services.

Allocative Efficiency

A state of the economy in which resources are apportioned in a way that maximizes the overall benefit to society.

Productive Efficiency

A situation where an economy or a production entity cannot produce more of one good without sacrificing production of another good and by using the least costly production techniques.

Long-Run Adjustments

The process by which firms adjust their production levels, input mixes, and operations to reflect changes in the market or economic conditions over a longer period.