Sql Server 取小数点后两位，向上取整，向下取整，四舍五入

select 2.0983 [值],convert(numeric(8,2),round(2.0983,2)) [取小数点后两位]
select 2.0983 [值],cast(2.0983 as decimal(20,2)) [取小数点后两位]
select 2.0983 [值],round(2.0983,0) [四舍五入取整截取]
select 2.0983 [值],floor(2.0983) [向下取整截取]
select 2.0983 [值],ceiling(2.0983) [向上取整截取]