【12c OCP认证】2019年度OCP最新考试题库-071.86题
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86、Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
-------------------
Renske Ladwig Jason
Mallin Samuel McCain
Allan MCEwen Irene
Mikilineni
Julia Nayer
You need to display customers' second names where the second name starts with "Mc" or "MC".
Which query gives the required output?
A. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)
FROM customers
WHERE SUBSTR (cust_name, INSTR (cust_name, ' ')+1) LIKE INITCAP ('MC%');
B. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)
FROM customers
WHERE INITCAP (SUBSTR(cust_name, INSTR (cust_name, ' ')+1)) = 'Mc';
C. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)
FROM customers
WHERE INITCAP (SUBSTR(cust_name, INSTR (cust_name, ' ')+1)) LIKE 'Mc%';
D. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)
FROM customers
WHERE INITCAP (SUBSTR(cust_name, INSTR (cust_name, ' ')+1)) = INITCAP 'MC%';
Correct Answer: C
Section: (none) Explanation：注意 INSTR 和 substr 的用法，还有 initcap 的用法。
