product-iots/modules/migration/migration-iot_3.3.1-to-iot_3.6.0/cdm-migration-mysql.sql

ALTER TABLE `DM_ENROLMENT`
CHANGE COLUMN `OWNER` `OWNER` VARCHAR(255) NOT NULL;

ALTER TABLE `DM_GROUP`
CHANGE COLUMN `OWNER` `OWNER` VARCHAR(255) NULL DEFAULT NULL;