What is the difference between a database and a table?

Due in 22 hours. 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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