日期:2014-05-17 浏览次数:20634 次
CREATE TABLE dbo.Employees
(
Name VarChar(40) NOT NULL,
Date VarChar(8) NOT NULL,
Number Decimal(20,4) NOT NULL,
);
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120524', '50.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120408', '60.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120301', '40.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120201', '20.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120114', '10.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20111208', '50.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20111105', '30.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20111006', '40.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110908', '90.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110805', '50.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110705', '510.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110605', '120.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110505', '100.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110405', '210.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110305', '120.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110205', '30.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110105', '50.00');
Declare @Type Int
Set @Type = 0
while(@Type < 9)
Begin
Select A.Name
,B.Date
,B.Number/C.Number-1
From Employees A
Join Employees B On A.Name = B.Name
Join Employees C On A.Name = C.Name
Where A.Date = (Select Max(Date)
From Employees
Where Name = B.Name
And Date <= GetDate())
And B.Date = (Select Max(Date)
From Employees
Where Name = B.Name
And Date <= Convert(VarChar(8),DateAdd(MM,-@Type,A.Date),112))
And C.Date = (Select Max(Date)
From Employees
Where Name = B.Name
And Date <= Convert(VarChar(8),DateAdd(MM,-(@Type+1),A.Date),112))
Set @Type = @Type + 1
End
算法:
1.查询最近日期的数据
2.根据最新日期去过去10个月每个月的回报数据
Ps:不能使用 CREATE、Into 等关键字
谢谢!~
如何把我查询的结果整合在一张表中显示
--Drop Table Employees
CREATE TABLE dbo.Employees
(
Name VarChar(40) NOT NULL,
Date VarChar(8) NOT NULL,
Number Decimal(20,4) NOT NULL,
);
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120524', '50.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120408', '60.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120301', '40.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120201', '20.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20120114', '10.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20111208', '50.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20111105', '30.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20111006', '40.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110908', '90.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110805', '50.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110705', '510.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110605', '120.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110505', '100.00');
Insert Into dbo.Employees(Name, Date, Number) Values('张三','20110405', '210.00');
Insert Into dbo.Employees(Name,