方法一:convert(float,字段名) as 别名 select convert(float,round(10.123232,2)) 结果:10.12 select convert(float,round(10,2)) 结果:10 方法二:cast(round(字段名,2) as numeric(20,2)) as 别名 select cast(round(10.123232,2) as numeric(20,2)) 结果:10.12 select cast(round(10,2) as…