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| Submitted on: 11/29/2003 1:44:49 AM
By: Thivya Prabakaran
Level: Intermediate
User Rating: Unrated
Compatibility:SQL Server 2000
Users have accessed this article 627 times.
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| | | Often we have to group certain values by providing their id's. If the id's are seperated by comma's, this function gives you the simple methodology rather than parsing the id's one by one.
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4) You will abide by any additional copyright restrictions which the author may have placed in the article or article's description. | /*
*****************************************************************************
Creator Name : Thivya
Date : Nov-29-2003
Description : Often we have to group certain values by providing their id's. If the id's are seperated by
comma's, this function gives you the simple methodology.
Purpose : To Get the student names concatenated by some delimiter
Input Details : student id's ,output delimiter
Assumption: Input Delimiter is assumed as ","
*****************************************************************************
*/
CREATE Procedure GroupStudentNames
@Student_List Varchar(2000),
@Out_Delimiter Varchar(10),
as
Begin
Set NoCount On
Declare @Name_List Varchar(6000)
Declare @SQLString NVarchar(4000)
SET @SQLString = N'Select @Name_OUT = Coalesce(@Name_OUT+@Delimiter,'') +
StudentName From Student
Where
Stud_Id in (' + @Student_List +')'
EXECUTE sp_executesql
@SQLString,
N'@Delimiter Varchar(10),@Name_OUT Varchar(6000) OUTPUT',
@Delimiter = @Out_Delimiter,@Name_OUT = @Name_List OUTPUT
-- The same query can be done by using EXEC
-- sp_executeSQL has advantage than using EXEC
-- In sp_executeSQL, SQL server likely to resuse the Execution Plan generated
Select @Name_OUT As 'StudentName' -- which gives student names seperated by the given delimiter
End
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