Database

concept · 1970 · Digital age

An organized store of data; Codd’s relational model.

Where it is used

• SQL — is used in. Database queries.
• Chess computer — is used in. An opening book and endgame databases.

History: what it evolved from and what it influenced

• Hollerith tabulator — evolved from. Processing large datasets began with tabulators.
• Library catalogue — evolved from. Systematizing records.

What it is a kind of

• Software — is a kind of. Software.
• Blockchain — includes. A blockchain is a database copied by many participants, so its records cannot be changed in secret.

Open Evothings