abartels writes: Unprecedented data volumes are driving businesses to look at alternatives to the traditional relational database technology that has served us well for over thirty years. Collectively, these alternatives have become known as NoSQL databases. The fundamental problem is that relational databases cannot handle many modern workloads. There are three specific problem areas: scaling out to data sets like Diggs (3 TB for green badges) or Facebooks (50 TB for inbox search) or eBays (2 PB overall), per-server performance, and rigid schema design.
The only possible interpretation of any research whatever in the `social
sciences' is: some do, some don't.
-- Ernest Rutherford