Demos of all kinds of queries for learning and copying.
These are the queries inside (v. 09.11.01):
v. 09.11.05 GUID: 5471052e-286b-4e33-a14d-614c7d498708
If this is the first time you've seen DNN-Apps and would like to try one - just install 2sxc first, then install this app inside it.