Multiple Choice
What is a primary key?
A) A field (or group of fields) that uniquely identifies a given entity 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 among the two tables.
C) Characteristics or properties of an entity.
D) A field (or group of fields) that uniquely identifies a given attribute in a table.
Correct Answer:
Verified
Correct Answer:
Verified
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