Which database does Facebook & Google use ?

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Facebook has moved to a NoSQL database named HBase. Google uses their own system called BigTable. What is NoSQL ? NoSQL is a term used to designate databases which differ from classic relational databases. 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. The data can be structured, but NoSQL is used when what really matters is the ability to store and retrieve great quantities of data, not the relationships between the elements.
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How to Speed Up your Opera

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This Post is specially for opera lovers, Though i am not opera lover, but I believe opera is one of the fastest browser in this web world. Just follow the simple steps to speed up your opera Desktop Browser :
1. Open your Opera, Hit Tools menu -> Preferences -> Advanced ->Network.
2. Select Server name configuration.
3. Uncheck the following options :
  • Try name completion
  • Look For local network machine
Hit OK, and Restart your Browser.
Surely speed varies.

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