（93）View the Exhibit and examine the structure of the CUSTOMERS table.

Using the CUSTOMERS table, you need to generate a report that shows an increase in the credit limit by 15% for all customers.

Customers whose credit limit has not been entered should have the message " Not Available" displayed.

Which SQL statement would produce the required result?

A. SELECT NVL(cust_credit_limit,'Not Available') *.15 "NEW CREDIT" FROM customers;

B. SELECT NVL(cust_credit_limit *.15,'Not Available') "NEW CREDIT" FROM customers;

C. SELECT TO_CHAR(NVL(cust_credit_limit*.15,'Not Available')) "NEW CREDIT" FROM customers;

D. SELECT NVL(TO_CHAR(cust_credit_limit*.15),'Not Available') "NEW CREDIT" FROM customers;

答案：（D）

ITPub博客

OCP 1Z0-051-93