ow exactly do foreign keys ensure that a database's integrity is preserved? What kind of proof do you have to back your claim?

Principles of Information Systems (MindTap Course List)
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ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter5: Database Systems And Big Data
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How exactly do foreign keys ensure that a database's integrity is preserved? What kind of proof do you have to back your claim?

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