Relational algebra

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In database theory, relational algebra is a theory that uses algebraic structures for modeling data and defining queries on it with well founded semantics. The theory was introduced by Edgar F. Codd as part of his relational model of data in 1970.

Excerpt from the Wikipedia article “Relational algebra”, under the CC BY-SA 4.0 license. Read the article on Wikipedia