primary key (English, noun)
expansion: primary key (plural primary keys)
Senses:
topics: computing
databases
engineering
mathematics
natural-sciences
physical-sciences
sciences
glosses: 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.
Forms:
form: primary keys
tags: plural