>Joining table ordhead and table ordprod (Cartesian product) >Joining intermediate result and table ordsize (Cartesian product) >Rushmore optimization level for table ordsize: none >Rushmore optimization level for table ordprod: none >Rushmore optimization level for table ordhead: none >Joining table ordhead and table ordprod using index tag Orderid >Joining intermediate result and table ordsize using index tag Orderprodi >>