CREATE TABLE STUDENTS (
ID INTEGER PRIMARY KEY,
FIRST_NAME VARCHAR(50) NOT NULL,
LAST_NAME VARCHAR(50) NOT NULL,
ADDRESS VARCHAR(100)
)
INSERT INTO students VALUES (3, 'Name', 'Surname', NULL);
INSERT INTO students VALUES (4, NULL, 'Surname', NULL);
INSERT INTO students(id, first_name) VALUES (2, 'Name');
INSERT INTO students(id, first_name, last_name) VALUES (1, 'Name', 'Surname');