Incremental load issue

[Qlik__Vinodh]

Hi All,

How to do the incremental load for given OCS.xls and i need the YEAR wise loading (2010,2011,...........) The OCS.XLS file cotains 3 sheets like Questioneriy,2010,2011.in this i need the incremental  INSERT for years only .please let me reply me if any one having soluation for this.

Thanks,

C