How do i...try to get the id of last journey vehicle.

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I want to get Id of last journey vehicle. But subquery gives the error

C#

"Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression."

How solve this problem.

What I have tried:

SQL

select [dbo_pibm].[tbl_Vehicle].Id,
[dbo_pibm].[tbl_Vehicle].[Vehicle_Type],
[dbo_pibm].[tbl_Vehicle].Vehicle_No,
[dbo_pibm].[tbl_User].User_firstname+' '+[dbo_pibm].[tbl_User].User_surname as driver,[dbo_pibm].[tbl_Vehicle_Journey].Start_Place + ' To ' +[dbo_pibm].[tbl_Vehicle_Journey].End_Place as Journey,
 CONVERT(VARCHAR(8),Start_Time,108) as Start_Time,
 CONVERT(VARCHAR(8),End_Time,108)as End_Time,CONVERT(VARCHAR(108),
 Journey_Date,103) as Journey_Date,
 [dbo_pibm].[tbl_Vehicle_Journey].Id as TravelId

  
 from [dbo_pibm].[tbl_Vehicle]
 left outer join  [dbo_pibm].[tbl_Vehicle_Journey] 
 on [dbo_pibm].[tbl_Vehicle].Id=[dbo_pibm].[tbl_Vehicle_Journey].Vehicle_Id
 left outer join [dbo_pibm].[tbl_User]
 on [dbo_pibm].[tbl_User].User_id=[dbo_pibm].[tbl_Vehicle_Journey].Driver
  where [dbo_pibm].[tbl_Vehicle].[Id]=(select  Vehicle_Id  from [dbo_pibm].[tbl_Vehicle_Journey] 
 group by Vehicle_Id HAVING MAX(Id)>0)

Posted 27-Apr-16 19:40pm

Member 11877533

Updated 27-Apr-16 20:13pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

v3

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2016-04-27T20:13:00

Solution 1

So, I guess the below subquery is the problem.

SQL

select  Vehicle_Id  from [dbo_pibm].[tbl_Vehicle_Journey] group by Vehicle_Id HAVING MAX(Id)>0

Run this independently and see how many results are coming. If more than one are coming, then this is the issue. Make it correct to return one value only.

Posted 27-Apr-16 20:13pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)