CREATE TABLE humidities (
  id                      CHAR(36)                                                NOT NULL,
  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,
  CONSTRAINT pk_humidites PRIMARY KEY (id),
  CONSTRAINT pk_humidites_sensor_id FOREIGN KEY(sensor_id) REFERENCES sensors(sensor_id) ON DELETE CASCADE ON UPDATE CASCADE
);