The last example, describes a hybrid distributed reporting system that, uses multiple SQL Server technologies such as data replication, database mirroring, and database snapshots to get the most ...

It's not so much a black and white, SQL vs. NoSQL situation, of course: TokBox still kept SQL databases around. That's where his team fed portions of Hadoop output for analysts to query more easily.

Practically everyone is running multiple databases, and multiple open source databases at that. Where things get more interesting, ... for example) actually support SQL.