Hi,
I am trying to convert a table of data to a yearly/monthly summary and can't seem to work out how to do it.
The data I have looks like this:
ID | date | other info
1 | 01/01/11 | ...
2 | 04/01/11 | ...
3 | 06/01/11 | ...
etc
and I am trying to convert this to a simple count of...