>Yup... However, I don't like holy truths like thou shall always use surrogate keys and I wanted to point out that a natural key can be a good choice in some instances.

Hi, Daniel.

Here we go again.

Just tell me an example. I guess I can find a situation in which it can becaome a problem.

Maybe some of you can give me an example in which having a surrogate key would cause trouble, indeed.