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No SQL ?
Computerworld - The meet-up in San Francisco last month had a whiff of revolution about it, like a latter-day techie version of the American Patriots planning the Boston Tea Party. The inaugural get-together of the burgeoning NoSQL community crammed 150 attendees into a meeting room at CBS Interactive. Like the Patriots, who rebelled against Britain's heavy taxes, NoSQLers came to share how they had overthrown the tyranny of slow, expensive relational databases in favor of more efficient and cheaper ways of managing data. "Relational databases give you too much.
A NoSQL database provides a simple, lightweight mechanism for storage and retrieval of data that can under certain conditions provide higher scalability and availability than traditional relational databases . The NoSQL data stores use looser consistency models in order to achieve horizontal scaling and higher availability. Some authors refer to them as "Not only SQL" to emphasize that some NoSQL systems do allow SQL -like query language to be used. NoSQL database systems are often highly optimized for retrieval and appending operations and often offer little functionality beyond record storage (e.g. key–value stores). The reduced run-time flexibility compared to full SQL systems is compensated by marked gains in scalability and performance for certain data models. In short, NoSQL database management systems are useful when working with a huge quantity of data when the data's nature does not require a relational model.
There have been confirmed rumors about Twitter planning to use Cassandra for a long time. But except the mentioned post, I couldn’t find any other references. Twitter is fun by itself and we all know that NoSQL projects love Twitter . So, imagine how excited I was when after posting about Cassandra 0.5.0 release , I received a short email from Ryan King, the lead of Cassandra efforts at Twitter simply saying that he would be glad to talk about these efforts.
March 9, 2010 On Thursday, I have 20 minutes to address 200 people (plus a video audience) at NoSQL Live … from Boston . My self-appointed mission is to start building bridges between the NoSQL community and the Linked Data/RDF/W3C community. These are two sets of people working on different problems, but it’s pretty clear to me they are heading in the same direction, in similar spirit, and could gain a lot from working together. I’m organizing my talk around the question of standardization for NoSQL, and I’ll talk about W3C process and such, but the interesting part is where NoSQL touches RDF. So here are some of my thoughts on that, written for an audience already familiar with RDF.
RDF face aux défis du stockage
July 1, 2011 For most Riak users, Bitcask is the obvious right storage engine to use. It provides low latency, solid predictability, is robust in the face of crashes, and is friendly from a filesystem backup point of view.