None of these databases, Magnusson pointed out, are relational ones (He did point out one notable exception, a version MySQL tweaked for Web environments, called Drizzle.
These databases all have characteristics that make them uniquely suited to serving cloud computing-styled applications. Most of these databases can be run in distributed environments -- meaning that they can be spread out over multiple servers in multiple locations. None of them are transactional in nature. And they all sacrifice some advanced querying capability for faster performance. (In many cases, these databases can be queried using object calls, rather than SQL queries, which programmers are far more comfortable working with anyway.)[...]
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