select entrylane case
when entrylane<=10 then '普通车'，when entrylane>10 then '专用车道' end as '车道分类'
from exit2015070020203;
未找到from的关键字
select entrylane
, case
when entrylane<=10 then '普通车'
when entrylane>10 then '专用车道'
end as '车道分类'
from exit2015070020203;