I solved the “eight queens” Problem in SQL once: https://gist.github.com/adewes/5e5397b693eb50e67f07 https://gist.github.com/adewes/5e5397b693eb50e67f07 Recur

I solved the “eight queens” Problem in SQL once: https://gist.github.com/adewes/5e5397b693eb50e67f07 https://gist.github.com/adewes/5e5397b693eb50e67f07 Recursive common table expressions are quite powerful.