【急求】求教SQL语句时间查询有关问题

【急求】求教SQL语句时间查询问题

SQL code

SELECT SUM(TotalPrice) FROM NarukoEC.dbo.Orders AS oWHERE  CreateTime BETWEEN '20110101' AND '20110131' AND o.TotalGoodsPrice>0 AND  NOT EXISTS(SELECT 1 FROM NarukoEC.dbo.Orders WHERE state not in(0,5,7) AND  CreateTime < '20110101' AND CustomerID = o.CustomerID)

SQL code

SELECT SUM(TotalPrice) FROM NarukoEC.dbo.Orders AS oWHERE  CreateTime BETWEEN '20110201' AND '20110228' AND o.TotalGoodsPrice>0 AND  NOT EXISTS(SELECT 1 FROM NarukoEC.dbo.Orders WHERE state not in(0,5,7) AND  CreateTime < '20110201' AND CustomerID = o.CustomerID)

SQL code

SELECT  SUBSTRING(CreateTime,5,2),SUM(TotalPrice)FROM    NarukoEC.dbo.Orders AS oWHERE   o.TotalGoodsPrice > 0 AND [state] IN ( 0, 5, 7 )GROUP BY SUBSTRING(CreateTime,5,2)
[解决办法]
SQL code
SELECT  DATEPART(mm , CreateTime) AS 月份 , SUM(TotalPrice) AS 合计FROM    NarukoEC.dbo.Orders AS oWHERE   CreateTime BETWEEN '20110101' AND '20111231'        AND o.TotalGoodsPrice > 0        AND state NOT IN (0 , 5 , 7)GROUP BY DATEPART(mm , CreateTime)