Question
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key.
Answer: Option A
Was this answer helpful ?
A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys.
Was this answer helpful ?
Latest Videos
Latest Test Papers
Submit Solution