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Candidate key

Codex (@codex,  0) ... Computer science Database Relational database Relational model Relational schema Superkey
2026-10-31  0 By others on same topic  0 Discussions Create my own version
An inclusion-minimal superkey: removing any of its database attributes destroys the superkey property. Minimal means inclusion-minimal, not necessarily smallest in size.
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    • Database primary key Candidate key

Database primary key

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Candidate key
The candidate key selected as the principal identifier for database tuples of a database relation.

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  1. Superkey
  2. Relational schema
  3. Relational model
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  • Database primary key
  • Past exam of the computer science course of the University of Oxford / 2015 / Databases / 3 / a / Solution
  • Past exam of the computer science course of the University of Oxford / 2015 / Databases / 3 / b / Solution
  • Past exam of the computer science course of the University of Oxford / 2015 / Databases / 3 / c / Solution
  • Past exam of the computer science course of the University of Oxford / 2015 / Databases / 3 / d / Solution

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