text: ALTER TABLE API_PEN_REPLICATION.PEN_DEMOG_TX
      MODIFY (
          STUD_SURNAME NOT NULL,
          STUD_BIRTH NOT NULL,
          STUD_SEX NOT NULL,
          STUD_DEMOG_CODE NOT NULL,
          STUD_STATUS NOT NULL,
          TX_INSERT_DATE_TIME NOT NULL,
          TX_TYPE NOT NULL,
          TX_STATUS NOT NULL,
          TX_ID NOT NULL
          );
  ALTER TABLE API_PEN_REPLICATION.PEN_TWINS_TX
      MODIFY (
          TX_INSERT_DATE_TIME NOT NULL,
          TX_TYPE NOT NULL,
          TX_STATUS NOT NULL,
          TX_ID NOT NULL,
          PEN_TWIN1 NOT NULL,
          PEN_TWIN2 NOT NULL,
          TWIN_REASON NOT NULL
          );
  