text: SET DEFINE OFF;
  ALTER TABLE AFW_12_LIEN_ROLE_APROB ADD (
    CONSTRAINT AFW_12_LIEN_ROLE_APROB_FK2 
    FOREIGN KEY (REF_APROB) 
    REFERENCES AFW_12_APROB (SEQNC)
    ON DELETE CASCADE
    ENABLE VALIDATE)
  /
  