Candidate Key is a key that may have many duplicates may be absent may be a foreign key contain only unique values and fully defines all other attributes in a row
Candidate Key is a key that may have many duplicates may be absent may be a foreign key contain only unique values and fully defines all other attributes in a row
Chapter4: Constraints
Section: Chapter Questions
Problem 1RQ: What is the difference between a PRIMARY KEY constraint and a UNIQUE constraint?
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Candidate Key is a key thatmay have many duplicatesmay be absentmay be a foreign keycontain only unique values and fully defines all other attributes in a row
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