Tsql – Is it possible to have a function without a parameter in t-sql

tsql

I am being forced to put a @noparameter varchar(1)=null in this function?
How do I create a function to return a table which has no parameters!


ALTER FUNCTION [dbo].[DropDownIndividuals](@noparameter varchar(1)=null)
RETURNS
    @IndividualsList TABLE(
          Case_Number VARCHAR(11)
         ,LastName    VARCHAR(100)
         ,FirstName   VARCHAR(100)
         ,Midlename   VARCHAR(100)
         ,FullName    VARCHAR(100) 
        )
AS  
BEGIN
       INSERT INTO @IndividualsList
       SELECT DISTINCT
       cast(Case_Number as varchar(10))as Case_Number
      ,[Lastname]
      ,[Firstname]
      ,[Middlename]
      ,rtrim([Lastname]+ ' '+ [Firstname]) as FullName
      FROM [MHMODSSQL1P].[ODS].[dbo].[Contact]
      WHERE [LastName] is not null and [FirstName] is not null
      UNION ALL SELECT null,null,null,null,null
      ORDER BY [LastName]

      RETURN 

END;

Best Answer

FUNCTION [dbo].[DropDownIndividuals]()

You can just use open and close brackets to define function without parameters, Assuming you are using SQL server.

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