Thank you all!

I tried some of the examples and it really works. What really helped me off was the possibility to use '<=>' together with dates. Before today I thought...

Well,  I do understand what you have presented for me, but I now have to accept that it really is not as simple as I thought. I'm afraid I have...

Hi and thanks!

As you can see I'm new at this and the obvious question to follow would be where I can find out more about the specific "problem", what to do...