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The big picture to keep in mind first is:
There are lots of articles and resources out there:
http://blog.sina.com.cn/s/blog_3fe961ae010139u6.html
http://old.sebug.net/paper/databases/nosql/Nosql.html
http://blog.csdn.net/godfrey90/article/details/6706184， http://blog.csdn.net/godfrey90/article/details/6754884
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原文地址：http://www.cnblogs.com/feishunji/p/5194138.html
