Why a NoSQL Book

What exactly does the term NoSQL even mean? Which types of systems does the term include? How will NoSQL impact the practice of making great software? These were questions we wanted to answer—as much for ourselves as for others.

Looking back more than a half-decade later, the rise of NoSQL isn’t so much buzzworthy as it is an accepted fact. You can still read plenty of articles about NoSQL technologies on HackerNews, TechCrunch, or even WIRED, but the tenor of those articles has changed from starry-eyed prophecy (“NoSQL will change everything!”) to more standard reporting (“check out this new Redis feature!”). NoSQL is now a mainstay and a steadily maturing one at that.

But don’t write a eulogy for relational databases—the ...

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