DECLARE	@COLNUM smallint
SET @COLNUM = 3
DECLARE @TESTFIELD varchar(100)
DECLARE @RESULT varchar(100)
DECLARE @Sql NVARCHAR(512)
USE Northwind
set @TESTFIELD = COL_NAME(OBJECT_ID('dbo.Employees'),@COLNUM ) 

SET @Sql = 'DECLARE Employee_Cursor CURSOR GLOBAL FOR SELECT ' + 
	@TESTFIELD + ' FROM Northwind.dbo.Employees'

EXECUTE (@Sql)
OPEN Employee_Cursor
FETCH NEXT FROM Employee_Cursor into @RESULT
PRINT @RESULT

CLOSE Employee_Cursor
DEALLOCATE Employee_Cursor