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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Get A Windows 8 Pro For Rs. 699 Only !

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Yes you Heard It Right ,Buy a Windows 7 PC and Get a Windows 8 Pro for Rs. 699 Only !
If you buy a Windows 7 PC between 2nd June 2012 to 31st January 2013, then a great opportunity for you.

Eligibility Details : 
The offer is for customers (e.g. Home users, students, and enthusiasts) who purchase a qualified PC. A qualified PC is a new PC purchased during the promotional period with a valid Windows 7 OEM Certificate of Authenticity and product key for, and preinstalled with:

Windows 7 Home Basic;
Windows 7 Home Premium;
Windows 7 Professional;
Windows 7 Ultimate
The promotional price is limited to one upgrade offer per PC purchased, and a maximum limit of five upgrade offers per customer.
Key Dates
You must purchase a qualified Windows 7 PC between June 2, 2012 and January 31, 2013 to be eligible for this offer. The last day to register and order your Windows 8 upgrade is February 28, 2013.

For registration, visit: www.windowsupgradeoffer.com

 

 

 

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