Question: 2 . 1 For the EMPLOYEE relation, give an example of a superkey and an example of a key. ( 1 point ) 2 .

2.1 For the EMPLOYEE relation, give an example of a superkey and an example of a key. (1 point)
2.2 Does the STORE relation satisfy the referential integrity constraint? If No explain why? (1 point)
2.3 Does the REGION relation satisfy the entity integrity constraint? If No explain why? (1 point)

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