OK. And I read that the broswer might timeout when running the altertable scripts...

How do you know when it is done then?

The last time I did this, I only had to run one, so it wasn't a big deal. But if I have to run two different altertables, if they time out, I need to know when one is done before running the next one, right?

And is there a php setting that can help to avoid the timeouts? I seem to remember something about that too, but have since moved to a new server, where I don't think I changed that setting.