Word.ws English Dictionary

primary keys

primary keys is the plural of primary key.

Meaning of primary key

Noun

primary key (plural primary keys)

  1. 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.

Questions about primary keys

What is primary keys the plural of?
Primary keys is the plural of primary key.

Words near primary keys in the dictionary

  1. primary immunodeficiency
  2. primary industries
  3. primary industry
  4. primary intention
  5. primary key
  6. primary keys
  7. primary legislation
  8. primary life support system
  9. primary life support systems
  10. primary market
  11. primary markets

Source and license

Adapted from Wiktionary: primary keys (page history and authors); primary key (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “primary keys.” Word.ws, https://word.ws/primary_keys. Based on Wiktionary, CC BY-SA 4.0.