rename database

See:
https://forum.vertica.com/discussion/239473/renaming-a-view#latest

t looks like @sreedxc wants to rename the db, not a view or table. I'm pretty sure we don't have a way to do that in enterprise Vertica, short of copying all the data to a newly named db. Eon mode has some different semantics for such -- check whether it can rename without moving data.

@gyoung - Yes. @sreedxc asked the same question about renaming a database in the thread about renaming a view (the link I posted above). I answered his question in that thread