choose the best answer
The CUSTOMERS table has a CUST_LAST_NAME column of data type VARCHAR2.
The table has two rows whose COST_LAST_MANE values are Anderson and Ausson.
Which query produces output for CUST_LAST_SAME containing Order for the first row and Aus for the second?
A) SELECT REPLACE (REPLACE(cust_last_name,‘son‘,‘‘),‘An‘,‘O‘) FROM customers;
B) SELECT REPLACE (TRIM(TRALING ‘son‘ FROM cust_last_name), ‘An‘,‘O‘) FROM customers;
C) SELECT INITCAP (REPLACE(TRIM(‘son‘ FROM cust_last_name),‘An‘,‘O‘)) FROM customers;
D) SELECT REPLACE (SUBSTR(cust_last_name,-3), ‘An‘, ‘O‘) FROM customers;
Answer:A
(解析:经过测试,A 答案能够打印正确的结果。)
原文地址:https://blog.51cto.com/13854012/2442769
时间: 2024-10-07 21:45:57