Question: Please answer the following questions as concise as possible with both definitions and examples? What is the referential integrity constraint in the domain of relational

Please answer the following questions as concise as possible with both

Please answer the following questions as concise as possible with both definitions and examples? What is the referential integrity constraint in the domain of relational data model? What is the recursive referential integrity constraint in the domain of relational data model? What is(are) the mutual recursive referential integrity constraints) in the domain of relational data model

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