ALTER TABLE ACADEMIC_SERVICE_REQUEST_SITUATION ADD COLUMN KEY_UNIT INT(11) DEFAULT NULL;
ALTER TABLE ACADEMIC_SERVICE_REQUEST_SITUATION ADD COLUMN OJB_CONCRETE_CLASS VARCHAR(255) NOT NULL;
ALTER TABLE ACADEMIC_SERVICE_REQUEST_SITUATION ADD COLUMN SENT_DATE DATETIME;
ALTER TABLE ACADEMIC_SERVICE_REQUEST_SITUATION ADD COLUMN RECEIVED_DATE DATETIME;
