Which SELECT statement will the result ‘ello World’ from the string ‘Hello World’?()
- A、SELECT SUBSTR( ‘Hello World’,1) FROM dual;
- B、SELECT INITCAP(TRIM (‘Hello World’, 1,1)) FROM dual;
- C、SELECT LOWER(SUBSTR(‘Hello World’, 1, 1) FROM dual;
- D、SELECT LOWER(SUBSTR(‘Hello World’, 2, 1) FROM dual;
- E、SELECT LOWER(TRIM (‘H’ FROM ‘Hello World’)) FROM dual;
正确答案:E
答案解析:有
微信扫一扫手机做题