Space inside parenthesis of parameter definition of create function procedure

• No space inside parenthesis

  CREATE FUNCTION sales.Fn_salesbystore 
    (@storeid INT)  
  RETURNS TABLE  
  AS  
    RETURN 0; 

• One space inside parenthesis

  CREATE FUNCTION sales.Fn_salesbystore 
    ( @storeid INT )  
  RETURNS TABLE  
  AS  
    RETURN 0;