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Definition of Superkey
1. Noun. (databases) Any set of attributes of a relation variable (relvar) that serve to identify a single tuple or row, no other tuple having the same value for every attribute in the set. ¹
¹ Source: wiktionary.com
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1. Noun. (databases) Any set of attributes of a relation variable (relvar) that serve to identify a single tuple or row, no other tuple having the same value for every attribute in the set. ¹
¹ Source: wiktionary.com