Thanks for the query template. I was hoping there was a solution within ALM, so that the coverage overvew and drill-down funtionality in the requirements module could be used. But I will try the Excel way then.
The cross filter idea solves the problem partially. It would be perfect, if it was possible to define a cross filter in the "coverage analysis settings" in the req-module. Now it can only be done as a general filter, which means that requirements without any coverage will not show at all. But still it gives a quick overview, and then the excel report can be used for a complete overview, so thanks to you both!
I will post the SQL for the report, once I have made it.
Cheers Dominik