ALTER TABLE AKUZ.T_ONK_REGISTRY_CARD_TALON 
ALTER COLUMN latetreatmentcompl DROP NOT NULL;

ALTER TABLE AKUZ.T_ONK_REGISTRY_CARD_TALON 
ALTER COLUMN istreatmentexecuted DROP NOT NULL;

ALTER TABLE AKUZ.T_ONK_REGISTRY_CARD_TALON 
ALTER COLUMN isreabilitationexecuted DROP NOT NULL;