-- Modify "MedicationItem" table
ALTER TABLE "public"."MedicationItem" ALTER COLUMN "Usage" TYPE character varying(255), ADD COLUMN "Frequency" integer NULL, ADD COLUMN "Dose" numeric NULL;
-- Modify "PrescriptionItem" table
ALTER TABLE "public"."PrescriptionItem" ALTER COLUMN "Usage" TYPE character varying(255), ADD COLUMN "Frequency" integer NULL, ADD COLUMN "Dose" numeric NULL;
-- Modify "MedicineMix" table
ALTER TABLE "public"."MedicineMix" ADD COLUMN "Uom_Code" character varying(10) NULL, ADD CONSTRAINT "fk_MedicineMix_Uom" FOREIGN KEY ("Uom_Code") REFERENCES "public"."Uom" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION;