Data model: Difference between revisions

Revision as of 03:15, 15 September 2005

Revision as of 01:27, 15 November 2005

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For example in the [[relational model]] all data is represented by

[[Relation (mathematics)|mathematical relation]]s (or, to be precise, a slightly generalized version thereof).

There exists a general language for specifying constraints ([[first-order logic]]), and for manipulations and querying the data the [[relational algebra]], [[tuple calculus]] and [[___domain calculus]] are introduced.

Additional information about this topic can also be found in [[Database management system|database management system]].