The Update Anomaly in Unnormalized Databases

question 5

Multiple Choice

The update anomaly in unnormalized databases

• A)occurs because of data redundancy
• B)complicates adding records to the database
• C)may result in the loss of important data
• D)often results in excessive record insertions

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Definitions:

Central Nervous System

The complex network of the brain and spinal cord that is responsible for processing and sending out all the signals that control the body.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, connecting the central nervous system to limbs and organs.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column; it transmits neural signals between the brain and the rest of the body.

Neural Networks

Computing systems vaguely inspired by the biological neural networks that constitute animal brains, used in machine learning and artificial intelligence.