PRATHAMIK SHIKSHAKO NA UTCHHATAR PAGAR DHORAN BABAT LATTER
PRATHMIK SHIKSHAKO NA UTCHHTAR PAGAR DHORAN BABAT LATTER DATE 23-6-2020 Explain keys. Super key A super key is a set of one or more attributes (columns) that allow us to identify each tuple (records) uniquely in a relation (table). For example, the enrollment_no, roll_no, semester with department_name of a student is sufficient to … Read more