同比：
SELECT DISTINCT
B.dateM,B.dateY,B.Total,B.Total+B.Total*AVG( B.per ) OVER ( PARTITION BY B.dateM ) as predictionTotal
, AVG( B.per ) OVER ( PARTITION BY B.dateM ) AS [AvgPer]
,MAX( B.per ) OVER ( PARTITION BY B.dateM ) AS [MaxPer]
,Min( B.per ) OVER ( PARTITION BY B.dateM ) AS [MinPer] from
(SELECT A.dateM,A.dateY
,A.[Total] - A.[PreviousTotal] as GrowthTotal,(A.[Total] - A.[PreviousTotal])/A.[PreviousTotal] as per,A.[Total]
, A.[Month]
FROM
(
select s.dateM,dateY,COUNT(*) OVER ( PARTITION BY s.dateM ) AS [Month],s.[Total] AS [Total]
, LAG( s.[Total] ) OVER ( PARTITION BY s.dateM ORDER BY s.dateY ) AS [PreviousTotal]
from (SELECT datepart(mm,[month]) as dateM, datepart(yyyy,[month]) as dateY,sum([Total]) Tot
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