多选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table? （）AINSERT INTO employees VALUES (NULL, 'JOHN','Smith');BINSERT INTO employe
题目
多选题
Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table? （）
A
INSERT INTO employees VALUES (NULL, 'JOHN','Smith');
B
INSERT INTO employees( first_name, last_name) VALUES ('JOHN','Smith');
C
INSERT INTO employees VALUES ('1000','JOHN','NULL');
D
INSERT INTO employees(first_name,last_name, employee_id) VALUES ('1000, 'john','Smith');
E
INSERT INTO employees (employee_id) VALUES (1000);
F
INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'john',);
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参考答案和解析
正确答案：
E,D
解析：
暂无解析