Any good tool available for ER creation from databses ?
Prefer if it is open source.

I missed this, forgive the dated response.
CELKO...explain to me then why everyone else in the thread knew
*exactly* what was asked for? Are you predisposed to being a dickhead,
or is it just me?

I think this question has been asked number of times. However, I am
looking for some specific information. Perhaps some of you can help
close the gap. Or perhaps you can point me towards right direction.
I am comparing open source databases such as Ingress, MySQL, SmallSQL,