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Explain why the following two commands produce different

Question: 1. Explain why the following two commands produce different results: SELECT DISTINCT COUNT (V_CODE) FROM PRODUCT; SELECT COUNT (DISTINCT V_CODE) FROM PRODUCT;

2. What is the difference between the COUNT aggregate function and the SUM aggregate function?

3. Explain why it would be preferable to use a DATE data type to store date data instead of a character data type.

4. What is a recursive join?

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Database Management System: Explain why the following two commands produce different

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