sql月，年，统计报表sql报表

 1 select
 2       DevName as 设备名称, 
 3       count(flux) as 流量数据个数,  
 4       max(flux) as 流量最大值,  
 5       min(flux) as 流量最小值, 
 6       avg(flux) as 流量平均值, 
 7       count(Flux_AV)  as 流速数据个数,  
 8       max(Flux_AV) as 流速最大值,  
 9       min(Flux_AV) as 流速最小值,  
10       avg(Flux_AV) as 流速平均值  
11 from realtime  
12 where
13      year(savetime)=\'2013\'
14      and month(savetime)=\'5\'
15 GROUP BY DevName, 
16       datepart(yy,savetime), 
17       datepart(mm,savetime)