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Line 16: [[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]]. == Organization of Data in a Specific Application (Domain) ==

Data model: Difference between revisions