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The primary key of a relational database a. Represents a value that is used to sort, index, and access records with. b. Must be a

The primary key of a relational database

a. Represents a value that is used to sort, index, and access records with.

b. Must be a common identifier for all of the data within the table.

c. Is the password which allows unlimited access to the database.

d. Must never be the first field of the table.

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