Question 1 in a select query what is the difference between, Ask an Expert

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Question: 1. In a SELECT query, what is the difference between a WHERE clause and a HAVING clause?

2. Explain why the following command would create an error and what changes could be made to fix the error: SELECT V_CODE, SUM(P_QOH) FROM PRODUCT;

3. What type of integrity is enforced when a primary key is declared?

4. Explain why it might be more appropriate to declare an attribute that contains only digits as a character data type instead of a numeric data type.

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DBMS, Programming

Category:- DBMS
Reference No.:- M92337859

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