What Is a Primary Key

question 21

Multiple Choice

What is a primary key?

• A)a field that uniquely identifies a given record in a table
• B)a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables
• C)a table that uniquely identifies a given record in a field
• D)a foreign key of one table that appears as an entity in another table and acts to provide a logical relationship between the two records

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Definitions:

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Diseases caused by pathogenic microorganisms, such as bacteria, viruses, parasites, or fungi, that can be spread, directly or indirectly, from one person to another.

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Skills that enable a person to solve problems or navigate spatially, involving the visualization and manipulation of objects in space.

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