CREATE TABLE sensors ( sensor_id CHAR(36) NOT NULL, sensor_name VARCHAR(64) NOT NULL, sensor_location VARCHAR(64), wire_id VARCHAR(64), i2c_bus VARCHAR(255), i2c_address VARCHAR(12), gpio_number VARCHAR(6), sensor_model VARCHAR(16) NOT NULL, sensor_enabled BOOLEAN DEFAULT TRUE NOT NULL, tick_duration VARCHAR(6) NOT NULL, device_id CHAR(36) NOT NULL, creation_date TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL, update_date TIMESTAMP WITH TIME ZONE, CONSTRAINT pk_sensors PRIMARY KEY(sensor_id), CONSTRAINT fk_sensors_device_id FOREIGN KEY (device_id) REFERENCES devices(device_id) ON DELETE CASCADE ON UPDATE CASCADE );