Abstract: Snel is a relational database engine featuring Just-In-Time (JIT) compilation of queries and columnar data representation. Snel is designed for fast on-line analytics by leveraging the LLVM compiler infrastructure. It also has custom special methods like resolving histograms as extensions to the SQL language. "Snel" means "SQL Native Execution for LLVM".
Unlike traditional database engines, it does not provide a client-server interface. Instead, it exposes its interface as an extension to SQLite, for a simple interactive usage from command line and for embedding in applications. Since Snel tables are read-only, it does not provide features like transactions or updates. This allows queries to be very fast since they don't have the overhead of table locking or ensuring consistency.
At its core, Snel is simply a dynamic library that can be used by client applications. It has an SQLite extension for seamless integration with a traditional SQL environment and simple interactive usage from command line.
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社交网站的数据挖掘与分析
Matthew A. Russell / 师蓉 / 机械工业出版社 / 2012-2 / 59.00元
Facebook、Twitter和LinkedIn产生了大量宝贵的社交数据，但是你怎样才能找出谁通过社交媒介正在进行联系?他们在讨论些什么?或者他们在哪儿?这本简洁而且具有可操作性的书将揭示如何回答这些问题甚至更多的问题。你将学到如何组合社交网络数据、分析技术，如何通过可视化帮助你找到你一直在社交世界中寻找的内容，以及你闻所未闻的有用信息。 每个独立的章节介绍了在社交网络的不同领域挖掘数据的......一起来看看 《社交网站的数据挖掘与分析》 这本书的介绍吧!
