-- INIT database

CREATE TABLE samples (

  id INT

  ,name VARCHAR(100)

);

​

INSERT INTO samples(id, name) VALUES (1, 'SQL');

INSERT INTO samples(id, name) VALUES (2, 'Python');

INSERT INTO samples(id, name) VALUES (3, 'JavaScript');

INSERT INTO samples(id, name) VALUES (NULL, 'C#');

​

-- QUERY database

SELECT * FROM samples WHERE id NOT IN (1, 2, NULL);