sqlserver 计算同比,环比增长

/****** Script for SelectTopNRows command from SSMS  ******/
SELECT  [fdSequenceID]
,[fdInnerTime]
,[fdTime]
,[fdData]
,[fdState]
,[fdUpdateTime]
,[fdCreateTime]
FROM [NewDBTest].[dbo].[tbDataMonthHG]

WITH f AS
(
SELECT ROW_NUMBER()OVER(   partition by fdSequenceID ORDER BY fdTime) AS id, * FROM [NewDBTest].[dbo].[tbDataMonthHG]
)

select t.*,
fdRate=(cast(cast(100*((t.fdData/NULLif(d.fdData,0))-1) as numeric(25,10)) as  varchar(50))+'%' )   --小数变百分数
from f t
left join f d on
t.fdInnerTime = DateAdd(year,1,d.fdInnerTime) and t.fdSequenceID = d.fdSequenceID  --同比增长
order by fdSequenceID,id asc

WITH f AS
(
SELECT ROW_NUMBER()OVER(   partition by fdSequenceID ORDER BY fdTime) AS id, * FROM [NewDBTest].[dbo].[tbDataMonthHG] where fdSequenceID <100
)

select t.*,
fdRate=(cast(cast(100*((t.fdData/NULLif(d.fdData,0))-1) as numeric(25,10)) as  varchar(50))+'%' )   --将分数变为百分数
from f t

left join f d on
t.fdInnerTime = DateAdd(month,1,d.fdInnerTime) and t.fdSequenceID = d.fdSequenceID   --获取根据时间获取上月时间
order by fdSequenceID,id asc

WITH f AS
(
SELECT ROW_NUMBER()OVER(   partition by fdSequenceID ORDER BY fdTime) AS id, * FROM [NewDBTest].[dbo].[tbData]
)
SELECT
t.fdSequenceID,t.fdInnerTime,t.fdTime,t.fdData,t.fdState,t.fdUpdateTime,t.fdCreateTime,t.id,
(select cast(cast(100*((t.fdData/NULLif(d.fdData,0))-1) as numeric(35,10)) as  varchar(50))+'%') AS fdRate
from f t
LEFT JOIN f d on t.id=d.id+1 where t.fdSequenceID = d.fdSequenceID  ORDER by t.fdSequenceID ASC

-- 不会返回null

WITH f AS
(
SELECT ROW_NUMBER()OVER(   partition by fdSequenceID ORDER BY fdTime) AS id, * FROM [NewDBTest].[dbo].[tbData] where fdSequenceID<188
)

select t.*,
cast(cast(100*((t.fdData/NULLif(d.fdData,0))-1) as numeric(25,10)) as  varchar(50))+'%'
from f t
left join f d
on datediff(day,
DateAdd(day,d.id-1,DateAdd(month,d.fdSequenceID-1,'1900-1-1')),
DateAdd(day,t.id-1,DateAdd(month,t.fdSequenceID-1,'1900-1-1'))
) > 0

-- 会返回null