What Is a Primary Key

question 10

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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