When Different Kinds of Data (Data About Different Entities) Are

question 50

Multiple Choice

When different kinds of data (data about different entities) are merged in one file, which of the following anomalies can occur?

• A) deletion but not insertion or update
• B) insertion but not deletion or update
• C) insertion and deletion but not update
• D) insertion and update but not deletion
• E) deletion, insertion, and update

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Definitions:

Leptin

A hormone produced by fat cells that regulates energy balance by inhibiting hunger, which helps to regulate body weight.

Appetite

The natural desire or need to eat, driven by biological, psychological, and social factors.

Fat Cells

Cells known as adipocytes that store fat and play a key role in energy balance and metabolism.

Set Point

A concept used to describe the level at which various physiological measures tend to stabilize within an individual over time.