I would like to load values from my database (odbc) and select only first and last value per timestamp. Or at least values per distinct timestamps instead of loading the entire dataset which is very large.
How to apply filter or how to add 'WHERE' statement?
Thank you in advance!
![Screenshot Select_Data_ODBC.png Screenshot Select_Data_ODBC.png](https://community.qlik.com/t5/image/serverpage/image-id/117963i1E9937CB241C1BB7/image-size/medium?v=v2&px=400)