Encyclopedia > Relational calculus

Article Content

Relational calculus

The relational calculus refers to the two calculi, the tuple calculus and the domain calculus, that are part of the relational model for databases and that provide a declarative way to specify database queries. This in contrast to the relational algebra which is also part of the relational model but provides a more procedural way for specifying queries.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Brazil

... November 1998. In January 1999, the Brazilian Central Bank announced that the Real would no longer be pegged to the US dollar. This devaluation helped moderate the downturn ...