Computer Science Fundamentals Data Structures Objective
Feb 22, 2013

What is primary key?

Choose the correct answer:
A) The attribute or combination of attributes that uniquely identifies a row or record
B) An attribute or combination of attribute in a table whose value match a primary key in another table
C) Any of the candidate keys that is not part of the primary key
D) Both b and c
Detailed Explanation

No Explanation

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