Choose twoide
Examine the data in the CUST NAME column of the CUSTOMERS table:ui
CUST_NAMEit
Renske Ladwigtable
Jason Mallinast
Samuel McCainclass
Allan MCEwenrequire
Irene Mikkilinenitab
Julia Nayerdi
You want to display the CUST_NAME values where the last name starts with Mc or MC.view
Which two WHERE clauses give the required result?
A) WHERE INITCAP (SUBSTR(cust_name, INSTR(cust_name,' ') +1 ) ) IN ('MC%', 'Mc%)
B) WHERE UPPER (SUBSTR(cust_nane, INSTR(cust_name, ' ') +1 ) ) LIKE UPPER('MC%')
C) WHERE INITCAP(SUBSTR(cust_nane, INSTR(cust_name,' ') +1 ) ) LIKE 'Mc%'
D) WHERE SUBSTR(cust_name,INSTR(cust_name,' ') +1 ) LIKE 'Mc%' OR 'MC%'
E) WHERE SUBSTR(cust_name, INSTR(cust_name,' ') +1 ) LIKE 'Mc%'
Anser:BC
(解析:原來第 66 題,此題的變化是多了 Answer:B。注意 instr 和 substr 的用法,沒有實驗仍是很難理解的。
Answer:C