-- Modify "Chemo" table
ALTER TABLE "public"."Chemo" DROP CONSTRAINT "fk_Chemo_SrcUnit", DROP COLUMN "SrcUnit_Id", ALTER COLUMN "SrcUnit_Code" TYPE character varying(10), ADD CONSTRAINT "fk_Chemo_SrcUnit" FOREIGN KEY ("SrcUnit_Code") REFERENCES "public"."Unit" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION;
