The survey was responded to by 1,300 individuals across a wide demographic. Although Couchbase could not provide the percentages represented in the survey response, the survey was targeted at advertising, banking, business services, education, gaming, government/military, insurance, media, non profit, retail and telecom. The survey indicates that 20% of respondants claim that the role of NoSQL will play a "Somewhat Important" or "Not Important" role in their organizations in 2012, while 25% claim that NoSQL will be "Critical to daily operations" in 2012.
Regarding the move away from relational to NoSQL database technology, 49% of respondents cited rigid schemas as the primary reason, followed by high latency/low performance and lack of scalability.
It will be interesting to see how the future of NoSQL plays out, as this survey is certainly not representative of all opinions. Alex Tatiyants recently published a somewhat sarcastic article titled "NoSQL No More: Let's double down with MoreSQL," that suggested a "new movement dedicated to bringing back the golden era of relational databases." This article inspired some discussion, with William Edwards suggesting that, according to a recently published white paper, "Tenzing - A SQL Implementation of the MapReduce Framework," Google has been doing some of their own "MoreSQL" work. Check out a more in-depth description of MoreSQL conversation here.
Marin Fowler has also chimed into the discussion; he recently published an illuminating infodeck titled "The future is: