One paragraph (100 words or more) for each question.
1. Discuss the distinction between centralized and decentralized conceptual database design.
2. Discuss the distinction between top-down and bottom-up approaches in database design.
3. What is a composite entity, and when is it used?
4. Why are entity integrity and referential integrity important in a database?
5. What is the difference between a database and a table?
6. What two conditions must be met before an entity can be classified as a weak entity? Give an example of a weak entity.
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