ALTER TABLE public."Grant"
ALTER COLUMN "Reference" TYPE character varying(255);

ALTER TABLE public."Grant"
ALTER COLUMN "Definition" TYPE character varying;

ALTER TABLE public."Registry"
ALTER COLUMN "Reference" TYPE character varying;

ALTER TABLE public."Service"
ALTER COLUMN "Reference" TYPE character varying;

ALTER TABLE public."Researcher"
ALTER COLUMN "Reference" TYPE character varying;

ALTER TABLE public."DataRepository"
ALTER COLUMN "Reference" TYPE character varying;