SQL 两个表联合查询 可以实现这样的查找么?求高手指点
客户ID客户名称性别年龄
1张三男33
2李四男28
3王五男25
订单ID水果名客户ID数量金额
1苹果1100200
2雪梨2250750
3雪梨2100300
4雪梨1150450
5苹果2100200
6苹果2100200
7雪梨1100300
8苹果1150300
客户名称性别年龄苹果总量苹果总额雪梨数量雪梨金额
张三男33250500250750
李四男282004003501,050
王五男250000
金额显示千分符号,不保留小数位
可以实现么?在线等待高人解惑 拜谢啦~
[解决办法]
create table [UserTB]([cliID] int IDENTITY (1,1) PRIMARY KEY ,[Uname] Char(10),[sex] Char(2),[Age] tinyint)create table [FruitTB]([OrderID] int IDENTITY (1,1) PRIMARY KEY ,[Fname] Char(10),[cliID] int ,[amount] int ,[Smoney] money)INSERT INTO [UserTB] (Uname,sex,Age) VALUES ('张三','男',33)INSERT INTO [UserTB] (Uname,sex,Age) VALUES ('李四','男',28)INSERT INTO [UserTB] (Uname,sex,Age) VALUES ('王五','男',25)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',1,100,200)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',2,250,750)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',2,100,300)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',1,150,450)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',2,100,200)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',2,100,200)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',1,100,300)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',1,150,300)goselect a.Uname 客户名称, a.sex 性别, a.Age 年龄, SUM(case when [Fname]='苹果' then [amount] else 0 end) as 苹果数量, SUM(case when [Fname]='苹果' then [Smoney] else 0 end) as 苹果金额, SUM(case when [Fname]='雪梨' then [amount] else 0 end) as 雪梨数量, SUM(case when [Fname]='雪梨' then [Smoney] else 0 end) as 雪梨金额from [UserTB] aleft join [FruitTB] bon a.cliID=b.cliIDgroup by a.Uname, a.sex, a.Age/*客户名称 性别 年龄 苹果数量 苹果金额 雪梨数量 雪梨金额------------------------------------------------李四 男 28 200 400.00 350 1050.00王五 男 25 0 0.00 0 0.00张三 男 33 250 500.00 250 750.00*/
[解决办法]
create table [UserTB]([cliID] int IDENTITY (1,1) PRIMARY KEY ,[Uname] Char(10),[sex] Char(2),[Age] tinyint)create table [FruitTB]([OrderID] int IDENTITY (1,1) PRIMARY KEY ,[Fname] Char(10),[cliID] int ,[amount] int ,[Smoney] money)INSERT INTO [UserTB] (Uname,sex,Age) VALUES ('张三','男',33)INSERT INTO [UserTB] (Uname,sex,Age) VALUES ('李四','男',28)INSERT INTO [UserTB] (Uname,sex,Age) VALUES ('王五','男',25)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',1,100,200)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',2,250,750)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',2,100,300)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',1,150,450)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',2,100,200)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',2,100,200)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('雪梨',1,100,300)INSERT INTO [FruitTB] (Fname,cliID,amount,Smoney) VALUES ('苹果',1,150,300)go--动态实现:declare @str varchar(2000)set @str=''select @str=@str+','+rtrim([Fname])+'数量=sum(case when rtrim([Fname])='+ QUOTENAME(rtrim([Fname]),'''')+' then [amount] else 0 end),' +rtrim([Fname])+'金额=sum(case when rtrim([Fname])='+QUOTENAME(rtrim([Fname]),'''') +' then [Smoney] else 0 end)'from [FruitTB]group by [Fname]print @strset @str='select a.[Uname] as 客户名称,a.[sex] as 性别,a.[Age] as 年龄' +@str+' from [UserTB] a left join [FruitTB] b on a.[cliID]=b.[cliID] group by a.[Uname],a.[sex],a.[Age]'exec(@str)/*客户名称 性别 年龄 苹果数量 苹果金额 雪梨数量 雪梨金额------------------------------------------------李四 男 28 200 400.00 350 1050.00王五 男 25 0 0.00 0 0.00张三 男 33 250 500.00 250 750.00*/
[解决办法]