There are a variety of reasons to want virtual tables, which would be any table that would be backed by an API, rather than data explicitly managed and stored as sstables.
One possible use case would be to expose JMX data through CQL as a resurrection of
Another is a more general framework to implement the ability to expose yaml configuration information. So it would be an alternate approach to
A possible implementation would be in terms of
CASSANDRA-7443, but I am not presupposing.