Optimizing Storage Structures - Oracle Database 11gR2 Performance Tuning - page 111

12. In the following screenshot, we can see the results of the last query:
13. Execute the following queries to test the different uses of the same index:
SELECT
CUST_FIRST_NAME, CUST_LAST_NAME
FROM CUSTOMERS
WHERE CUST_LAST_NAME = ‹Darby›;
SELECT
CUST_FIRST_NAME, CUST_LAST_NAME
FROM CUSTOMERS
WHERE CUST_FIRST_NAME = ‹Darby›;