1. Crie a tabela rodando:

CREATE TABLE users (
 id SERIAL PRIMARY KEY,
 name VARCHAR (50) NOT NULL,
 profession VARCHAR (50) NOT NULL,
 birthday DATE NOT NULL
);

1. Insira os valores rodando:

INSERT INTO users (name, profession, birthday)
    VALUES ('João', 'Programador', '1991-11-20');

INSERT INTO users (name, profession, birthday)
    VALUES ('Marta', 'Astronauta', '1987-11-20');

1. Liste todas as rows:

SELECT * FROM users;

1. Inclua a coluna 'vegan' rodando:

ALTER TABLE users ADD COLUMN vegan boolean;

1. Atualize as rows:

UPDATE users SET vegan = true WHERE id = 1;
UPDATE users SET vegan = false WHERE id = 2;

1. Apague todas as rows:

DELETE FROM users;

1. Apague a tabela:

DROP TABLE users;