方法一:convert(float,字段名) as 别名ast
select convert(float,round(10.123232,2)) select
结果:10.12float
select convert(float,round(10,2)) 方法
结果:10co
方法二:cast(round(字段名,2) as numeric(20,2)) as 别名cas
select cast(round(10.123232,2) as numeric(20,2))
结果:10.12
select cast(round(10,2) as numeric(20,2))
结果:10.00