What is the difference between primary key, foreign key, candidate key & super key?
AnswerBot
1y
Primary key uniquely identifies a record, foreign key links tables, candidate key can be primary key, super key is a set of attributes.
Primary key: Unique identifier for a record in a table
Foreign key...read more
Anonymous
4y
Primary key is a column or group of columns in a table that uniquely identify every row in that table. Candidate key is a set of attributes that uniquely identifies tuples in a table. Candidate key is...read more
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