Examlex
One of the situations that BCNF addresses which 3NF does not is where part of a key determines part of a key.
Influenza
An extremely infectious virus that targets the respiratory system, leading to high fever, significant pain, and nasal congestion, frequently manifesting in widespread outbreaks.
Allergy
An allergy is a hypersensitive immune response to a substance that is normally harmless to most people, such as pollen, food, or pet dander.
Severe Cough
A forceful release of air from the lungs under high pressure, often persistently strong and indicative of a significant respiratory condition.
Common Cold
A viral infection typically causing runny nose, sore throat, cough, and sneezing.
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