1. Explain why having referential integrity also means data is arranged more efficiently.

Your response should be at least 75 words in length. 

2. Explain the importance of internal tools that are available within a DBMS. Please provide an example of one of these tools.

Your response should be at least 75 words in length. 

3. How does Web mining differ from data mining?

Your response should be at least 75 words in length. 

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