I've been working with rails since 1.2 and I've never seen anyone actually do this. Every meaningful deployment I've seen uses postgres or mysql. (Or god forbid mongodb.) It takes very little time with yours sol statements
You can run rails on a single host using a database on the same server. I've done it and it works just fine as long as you tune things correctly.
You can run rails on a single host using a database on the same server. I've done it and it works just fine as long as you tune things correctly.