inserta los valores Andrés Fernández Córdoba y Susana García Cortés en la table SecreDGT name varchar(20) NOT NULL, firstSurname varchar(20) NOT NULL, secondSurname varchar(20) NOT NULL

INSERT INTO SecreDGT (name, firstSurname, secondSurname)
VALUES ('Andrés', 'Fernández', 'Córdoba');

INSERT INTO SecreDGT (name, firstSurname, secondSurname)
VALUES ('Susana', 'García', 'Cortés');