In the Following Database Design Language (DBDL) Notation, What Does

question 49

Multiple Choice

In the following Database Design Language (DBDL) notation, what does SK stand for? Employees (EmpID, LastName, FirstName, SSN, DeptNum)
AK SSN
SK LastName, FirstName
FK DeptNum à Departments

• A)subkey
• B)start key
• C)SQL key
• D)secondary key

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Definitions:

Vascular

Pertaining to blood vessels or the transport system for blood flow in the body.

Parasympathetic

refers to the part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.

Skeletal

Pertains to the skeleton or bony framework of the body, which supports and gives shape to the body.

Autonomic Nervous System

A division of the peripheral nervous system that regulates involuntary functions such as heart rate, digestion, and respiratory rate.