Question: Q:Question:How can the key and foreign key constraints be enforced by the DBMS? Is the enforcement technique you suggest difficult to implement? Can the constraint

Q:Question:How can the key and foreign key constraints be enforced by the DBMS? Is the enforcement technique you suggest difficult to implement? Can the constraint checks be executed in an efficient manner when updates are applied to the database? What is the FUNCTION operation? For what is it used? And Present a practical example/ scenario.A:Answer:See a step by step answer

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