Q19 You want to display the first name and due amount as 5% of their credit limit
Q19 Examine the description of the CUSTOMERS table:
For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?
- (A). SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND due_amount IS NOT NULL;
- (B). SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customers WHERE cust_income_level != NULL AND cust_credit_level !=NULL;
- (C). SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customers WHERE cust_income_level <> NULL AND due_amount <> NULL;
- (D). SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customers WHERE cust_income_level != NULL AND due_amount != NULL;
- (E). SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND cust_credit_limit IS NOT NULL;
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