primary key

primary key (plural primary keys)

  1. (computing, databases) In the design of a database table, the primary key (abbreviated PK) is selected among the non-empty set of candidate keys. The PK is a column (or an irreducible group of columns) able to identify every row of the table.
Related terms Translations
  • French: clé primaire
  • German: Primärschlüssel
  • Russian: перви́чный ключ

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