superkey

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noun

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.

Scrabble 17
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Meanings

nounsuperkey (plural superkeys)

plural superkeys

  1. computingAny 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.

Origin

From super- + key.

Full word history & related roots →
Cite this entry
APA

superkey. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/superkey

MLA

“superkey.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/superkey. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “superkey,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/superkey.

Source: superkey on Wiktionary, CC BY-SA 4.0.