A Primary Key in a Database Is a ________

question 69

Multiple Choice

A primary key in a database is a ________.

• A)group of rows that identifies a unique table or file
• B)column or group of columns that identifies a unique row in a table
• C)group of fields or columns that represent metadata
• D)group of tables or files formed to identify a unique field or row

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Definitions:

Sterile Package

Packaging that has been treated to ensure it's free from all living microorganisms to maintain cleanliness and prevent infection.

Type I Hypersensitivity

An immediate allergic reaction caused by the release of histamine from mast cells, often manifesting as anaphylaxis or asthma.

Tachycardia

An abnormally rapid heart rate, typically defined as a resting heart rate over 100 beats per minute.

Hypotension

A medical condition where blood pressure is lower than normal, which can lead to symptoms such as dizziness and fainting.