with a as (select '1月' , 1 union allselect '2月', 2union allselect '3月', 3union allselect '4月', 4union allselect '5月', 5union allselect '6月', 6union allselect '7月', 7union allselect '8月', 8union allselect '9月', 9union allselect '10月', 10union allselect '11月', 11union allselect '12月', 12)SELECT * FROM a