"This May Ruin Your Marriage" so far the best quote out of Polyglot Persistence: Riak + PostgreSQL http://t.co/1fZAt1EC
Brent Hoover's insight:
SQL is not going away, but neither is NoSQL. Like languages, Polyglot persistence brings unique challenges, but gives you flexbility to not be jamming square pegs in round holes for a living. At least in theory.