Referential integrity



database
A collection of properties which should be possessed by data in a relational database.
For example, in a database of family members, if we enter A as a spouse of B, we should also enter B as a spouse of A. Similarly, if we remove one end of the relationship we should also remove the other.
(1998-02-18)

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  • Referentially

    adjective 1. having reference: referential to something. 2. containing a reference. 3. used for reference.

  • Referentially transparent

    referential transparency



  • Referential transparency

    programming An expression E is referentially transparent if any subexpression and its value (the result of evaluating it) can be interchanged without changing the value of E. This is not the case if the value of an expression depends on global state which can change value. The most common example of changing global state is […]

  • Referer

    World-Wide Web A misspelling of “referrer” which somehow made it into the HTTP standard. A given web page’s referer (sic) is the URL of whatever web page contains the link that the user followed to the current page. Most browsers pass this information as part of a request. (1998-10-19)



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