Which three statements insert a row into the table?

Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER Primary Key
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
Which three statements insert a row into the table? (Choose three.)

Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER Primary Key
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
Which three statements insert a row into the table? (Choose three.)

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’, ‘ ‘);

Explanation:
EMPLOYEE_ID is a primary key.
Incorrect answer:
AEMPLOYEE_ID cannot be null
BEMPLOYEE_ID cannot be null
Dmismatch of field_name with datatype
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 10-11



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