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Which of the following is used in database information security to make false information visible to those of lower security clearance?
Delegation
Polymorphism
Inheritance
Polyinstantiation
Polyinstantiation is a database technique that allows the database to contain multiple instances of the same data but with different classifications. Polyinstantiation occurs because of mandatory policy,
Question formulation is weird
Edit: Agree with the comment but not the question because Polyinstantiation is not for hiding information even though this may be a "byproduct".
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