Question

4. Give at least two examples of referential integrity from real world.
5. What are some fields that are part of the design grid when creating query in
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Answer 1

Answer:

Another example of Referential Integrity is Employee and Department relationship. If we have dept_id as foreign key in Employee table than by using referential integrity constraints we can avoid creating Employee without department or non existing department

Answer 2

Answer:

4)Employee and Department Relationship