sqlserver中numeric字段截取
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 numeric(20,2))
结果:10.00
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