difference between the primary , secondary, form, and candidate key
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him friend mate you're answer and plz marked as brain list
Super Key: An attribute or set of attributes that uniquely identifies a tuple within a relation
Candidate key: A super key such that no proper subset is a super key within the relation
Primary key: The candidate key that is selected to identify tuples uniquely within the relation, the candidate keys which are not selected as PKs are called "Alternate keys"
Super Key: An attribute or set of attributes that uniquely identifies a tuple within a relation
Candidate key: A super key such that no proper subset is a super key within the relation
Primary key: The candidate key that is selected to identify tuples uniquely within the relation, the candidate keys which are not selected as PKs are called "Alternate keys"
Sonuexpert:
you are in which class
56
plz marked as brain list then only I will tell
your answer write but I want upgrade answer
sorry I m not upgraduat so my answer is also not
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