CREATE TABLE IF NOT EXISTS pressures ( id CHAR(36) CONSTRAINT pk_pressures PRIMARY KEY, value NUMERIC(10,3) NOT NULL, date TIMESTAMP WITH TIME ZONE NOT NULL, sensor_id CHAR(36) NOT NULL, creation_date TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL, update_date TIMESTAMP WITH TIME ZONE ); ALTER TABLE pressures ADD FOREIGN KEY (sensor_id) REFERENCES sensors(sensor_id) ON DELETE CASCADE ON UPDATE CASCADE;