Live Office and database changes

Hi Guys,

I have created a Live Office connection to extract my Webi Report into the Xcelsius Spreadsheet. This is how the data looks in the spreadsheet.

Dept Name               No. of Projects

A                                        1

B                                        2 

C                                        3

Sum:                                  6

I have mapped the spreadsheet data to a pie chart component.

Now, let's say a new Dept Name is added/removed in the database, then that would happen to my Spreadsheet data? Could anyone please help understand the process?