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The property of InnoDB that enforces foreign key relationships stay intact is called _____________

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The property of InnoDB that enforces foreign key relationships stay intact is called _____________

(a) atomicity

(b) durability

(c) consistency

(d) referential integrity

I got this question in a job interview.

This is a very interesting question from Foreign Keys and Referential Integrity topic in section Using SQL to Manage Data of MySQL

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Right answer is (d) referential integrity

Easy explanation: The storage engine responsible for providing foreign key support is InnoDB. It enforces that the rules guarantee the foreign key relationship stays intact with no mismatching of data.

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