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Referential Integrity
To establish a "parent-child" or a "master-detail" relationship between two tables having a common column, we make use of referential integrity constraints. To implement...
Domain Constraints
(the principle behind attribute domains is similar to that behind typing of variables in programming languages.)
We have seen that a domain of possible values...
Integrity Constraints
(The rules that should not be violated while performing an operation on the database)
Integrity constraints ensure that changes made to the database by authorized...