So, lets find out the peculiarities of such functionality in Quickbase, Caspio, TeamDesk,
Sabina Iseli-Otto from Dabble DB:
"Well, you get a short answer from us: we don't support dynamic column behaviour at all."
Matt Strenz from TrackVia:
"The ability to have dynamic data entry forms that will show different fields or options based off results in another is not something that is currently available in TrackVia but this is on our roadmap of enhancements to make in the future. We’ve done this at no cost to customers on a case-by-case basis for Website Forms."