CREATE TABLE devices (
  device_id               CHAR(36)                                                NOT NULL,
  device_name             VARCHAR(64)                                             NOT NULL,
  device_location         VARCHAR(64),
  creation_date           TIMESTAMP WITH TIME ZONE    DEFAULT CURRENT_TIMESTAMP   NOT NULL,
  update_date             TIMESTAMP WITH TIME ZONE,
  CONSTRAINT pk_devices PRIMARY KEY(device_id)
);