OCP 071中文考试题库（cuug内部资料）第1题
OCP 071中文考试题库（cuug内部资料）第1题本套题库是OCP考试中的071（中文版）试题，由CUUG整理，如有报考OCP认证意向，可以联系cuug咨询老师。1、请选择两项。查看EMPLOYEES表的说明:Name Null? Type------------- ------------- ---------------EMPLOYEE_ID NOT NULL NUMBER(3),FIRST_NAME VARCHAR2 (15)LAST_NAME NOT NULL VARCHAR2 (15)SALARY NUMBER(6, 2)哪两条语句将成功运行?A) SELECT 'The first_name is ' ' ' || first_name || ' ' ' FROM employees;B) SELECT 'The first_name is ' || first_name || ' ' FROM employees;C) SELECT 'The first_name is ' ' || first_name || ' ' FROM employees;D) SELECT 'The first_name is ' ' ' || first_name || ' ' ' ' FROM employees;E) SELECT 'The first_name is \' ' || first_name || '\' ' FROM employees;http://www.cuug.com.cn/uploadfile/2021-01/26744994670.jpg
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