Question: module 6 , we've explored the Enhanced Entity - Relationship ( EER ) Model, specifically the constraints of specialization and generalization hierarchies. For this discussion,

module 6, we've explored the Enhanced Entity-Relationship (EER) Model, specifically the constraints of specialization and generalization hierarchies. For this discussion, consider the following questions:
1. Disjointness Constraints:
O What are disjoint constraints, and how do they differ from overlapping constraints? Provide an example of when each might be used.
2. Completeness Constraints:
Explain the difference between total and partial completeness constraints. Why might you choose one over the other in a database design?

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