All-pairs table vs orthogonal array

Question

After researching the web, I haven't found a clear explanation and example of the difference between All-pairs table and orthogonal array.

Can someone provide one?

Answer 1

I believe this post and associated links over on Stack Overflow give a pretty comprehensive treatment on those and other techniques - https://stackoverflow.com/questions/22595283/orthogonal-and-combinatorial-testing-techniques