Rules of Referential Integrity and Overriding
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Describe the default rules for enforcing referential integrity constraints. Explain how referential integrity actions can be used to override the default referential integrity constraints.
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Solution Summary
It shows what the rules in order to enforce referential integrity constraints and also how to overiride these constraints as may be needed in some cases.
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Explain Rules for Referential Integrity Constraints
Describe the default rules for enforcing referential integrity constraints. Explain how referential integrity actions can be used to override the default referential integrity constraints.
A referential integrity rule is a rule defined on a field or set of fields in one table that guarantee that the values in that key match the values in a key in a related table.
Referential integrity also clearly defines the rules that would indicate what types of data manipulation are allowed on ...
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