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Which of the following describes candidate keys? Group of answer choices A single attribute with a unique database assigned value that has been added to
Which of the following describes candidate keys?
Group of answer choices
A single attribute with a unique database assigned value that has been added to a table to be the primary key.
An attribute from one relation placed into a second relation to represent a relationship.
One or more attributes that each uniquely identify a row in a relation.
Keys that contain more than one attribute.
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