candidate key
noun1
Computing, Databases, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences In the design of a database table, a column (or an irreducible group of them) able to identify every row of the table, having a unique value or set of values in each row. One of the candidate keys (abbreviated CKs) will be the primary key.
- Related terms
- business key, foreign key, natural key, primary key, first normal form