Which of the following is an attribute that can uniquely identify a row in a table?
A. Secondary key
B. Candidate key
C. Foreign key
D. Alternate key
Answer:A
Which of the following is an attribute that can uniquely identify a row in a table?
A. Secondary key B. Candidate key C. Foreign key D. Alternate key
Explanation: A Candidate Key can be any column or a combination of columns that can qualify as unique key in database.