◆到现在为至最为复杂的SQL查询代码。实现...... 到现在为至最为复杂的SQL查询代码。实现按部门月卡余额总额分组统计的SQL查询代码(在Ms SQL Server中调试通过) SELECT dp.dpname1 AS 部门, cust_dp_SumOddfre.sum_oddfare AS 当月卡总余额 FROM (SELECT T_Department.DpCode1, SUM(custid_SumOddfare_group.sum_oddfare) AS sum_oddfare FROM (SELECT l2.CustomerID, SUM(r1.oddfare) AS sum_oddfare FROM (SELECT CustomerID, MAX(OpCount) AS max_opcount FROM (SELECT CustomerID, OpCount, RTRIM(CAST(YEAR(OpDt) AS char)) + '-' + RTRIM(CAST(MONTH(OpDt) AS char)) + '-' + RTRIM(DAY(0)) AS dt FROM T_ConsumeRec UNION SELECT CustomerID, OpCount, RTRIM(CAST(YEAR(cashDt) AS char)) + '-' + RTRIM(CAST(MONTH(cashDt) AS char)) + '-' + RTRIM(DAY(0)) AS dt FROM T_Cashrec) l1 WHERE (dt <= '2005-6-1')/*输入查询月份,可用参数传递*/ GROUP BY CustomerID) l2 INNER JOIN (SELECT CustomerID, OpCount, oddfare FROM T_ConsumeRec UNION SELECT CustomerID, OpCount, oddfare FROM T_Cashrec) r1 ON l2.CustomerID = r1.CustomerID AND r1.OpCount = l2.max_opcount GROUP BY l2.CustomerID) custid_SumOddfare_group INNER JOIN T_Customers ON custid_SumOddfare_group.CustomerID = T_Customers.CustomerID INNER JOIN T_Department ON SUBSTRING(T_Customers.Account, 1, 2) = T_Department.DpCode1 AND SUBSTRING(T_Customers.Account, 3, 2) = T_Department.DpCode2 AND SUBSTRING(T_Customers.Account, 5, 3) = T_Department.DpCode3 GROUP BY DpCode1) cust_dp_SumOddfre INNER JOIN (SELECT DISTINCT dpcode1, dpname1 FROM t_department) dp ON dp.dpcode1 = cust_dp_SumOddfre.DpCode1 附:查询用到的基本表形成脚本: CREATE TABLE [dbo].[T_CashRec] ( --出纳明细账本 [StatID] [tinyint] NOT NULL , [CashID] [smallint] NOT NULL , [Port] [tinyint] NOT NULL , [Term] [tinyint] NOT NULL , [CashDt] [datetime] NOT NULL ,--存取款时间 [CollectDt] [datetime] NOT NULL , [CustomerID] [int] NOT NULL , [OpCount] [int] NOT NULL ,--某卡的操作次数,只累加 [InFare] [money] NOT NULL , [OutFare] [money] NOT NULL , [SumFare] [money] NOT NULL , [OddFare] [money] NOT NULL ,--此次操作后该卡的余额 [MngFare] [money] NOT NULL , [Hz] [tinyint] NOT NULL , [CurSum] [smallmoney] NULL , [CurCount] [smallint] NULL , [CardSN] [tinyint] NULL ) ON [PRIMARY] GO CREATE TABLE [dbo].[T_ConsumeRec] ( --消费明细账本 [StatID] [tinyint] NOT NULL , [Port] [tinyint] NOT NULL , [Term] [tinyint] NOT NULL , [CustomerID] [int] NOT NULL , [OpCount] [int] NOT NULL , --某卡的操作次数,只累加 [OpDt] [datetime] NOT NULL ,--消费时间 [CollectDt] [datetime] NOT NULL , [MealID] [tinyint] NOT NULL , [SumFare] [smallmoney] NOT NULL , [OddFare] [smallmoney] NOT NULL ,--此次操作后该卡的余额 [MngFare] [smallmoney] NOT NULL , [OpFare] [smallmoney] NOT NULL , [Hz] [tinyint] NOT NULL , [MenuID] [smallint] NULL , [MenuNum] [tinyint] NULL , [OddFarePre] [smallmoney] NULL , [RecNo] [smallint] NULL , [CardSN] [tinyint] NOT NULL , [CardVer] [tinyint] NULL ) ON [PRIMARY] GO CREATE TABLE [dbo].[T_Customers] ( --客户账本 [CustomerID] [int] NOT NULL , --客户号,主键 [StatCode] [varchar] (3) COLLATE Chinese_PRC_CI_AS NOT NULL , [Account] [varchar] (7) COLLATE Chinese_PRC_CI_AS NOT NULL ,--单位代号 [Name] [varchar] (12) COLLATE Chinese_PRC_CI_AS NOT NULL , [CardNo] [int] NOT NULL , [CardSN] [tinyint] NULL , [CardType] [tinyint] NOT NULL , [Status] [tinyint] NOT NULL , [OpenDt] [datetime] NOT NULL , [CashID] [smallint] NOT NULL , [SumFare] [smallmoney] NOT NULL , [ConsumeFare] [smallmoney] NOT NULL , [OddFare] [smallmoney] NOT NULL , [OpCount] [int] NOT NULL , [CurSubsidyFare] [smallmoney] NOT NULL , [SubsidyDT] [datetime] NOT NULL , [SubsidyOut] [char] (1) COLLATE Chinese_PRC_CI_AS NOT NULL , [Alias] [varchar] (10) COLLATE Chinese_PRC_CI_AS NULL , [outid] [varchar] (20) COLLATE Chinese_PRC_CI_AS NULL , [UpdateID] [tinyint] NOT NULL , [Pwd] [char] (4) COLLATE Chinese_PRC_CI_AS NULL , [QuChargFare] [smallmoney] NULL , [HasTaken] [tinyint] NULL , [DragonCardNo] [char] (19) COLLATE Chinese_PRC_CI_AS NULL , [ApplyCharg] [smallmoney] NULL , [ChargPer] [smallmoney] NULL , [MingZu] [varchar] (20) COLLATE Chinese_PRC_CI_AS NULL , [Sex] [char] (2) COLLATE Chinese_PRC_CI_AS NULL , [Memo] [varchar] (100) COLLATE Chinese_PRC_CI_AS NULL , [WeiPeiDW] [varchar] (10) COLLATE Chinese_PRC_CI_AS NULL , [CardConsumeType] [tinyint] NULL , [LeaveSchoolDT] [datetime] NULL , [UseValidDT] [tinyint] NOT NULL , [NoUseDate] [datetime] NOT NULL ) ON [PRIMARY] GO CREATE TABLE [dbo].[T_Department] ( --单位帐本,三级单位制,树型结构 [DpCode1] [char] (2) COLLATE Chinese_PRC_CI_AS NOT NULL , [DpCode2] [char] (2) COLLATE Chinese_PRC_CI_AS NULL , [DpCode3] [char] (3) COLLATE Chinese_PRC_CI_AS NULL , [DpName1] [varchar] (30) COLLATE Chinese_PRC_CI_AS NULL , [DpName2] [varchar] (30) COLLATE Chinese_PRC_CI_AS NULL , [DpName3] [varchar] (30) COLLATE Chinese_PRC_CI_AS NULL , [N_SR] [int] NOT NULL , [BatNum] [smallint] NULL ) ON [PRIMARY] GO |
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