primary key

Questions

What does primary key mean?

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.

How to pronounce primary key

1. Open the pronunciation page — Open the Speakur entry for “primary key”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “primary key”.
4. Repeat and practice — Say “primary key” aloud, matching stress and vowels until it feels natural.