SQL 同比环比增长率计算

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(

>>阅读原文<<