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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Indian Technology Hub News : All Bulk SMS Banned For 15 Days To Stop Rumours !

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New Delhi: After reports of threatening SMS-es being sent to North Eastern students in Bangalore and other cities like Hyderabad, the government has banned bulk text messages for the next 15 days. So no cellphone user can send a message to more than 5 people.

Cities like Hyderabad and Pune have been on edge with their large North Eastern communities feeling insecure about their safety.  In the last month, nearly 80 people have died in ethnic violence in Assam and doctored MMS-es and text messages have infected other states, warning that students and professionals from the North East will be attacked.

Thousands have been boarding special trains in Bangalore, Pune and Hyderabad to head back home, though many have clarified that they are visiting their families for the long weekend.  The Karnataka government has stressed that nobody from the North East has been attacked and the police is patrolling neighbourhoods  popular with people from states like Assam, Manipur and Mizoram, "The whole government is with you....don't worry," said chief minister Jagadish Shettar yesterday. 

Helplines have been set up in Hyderabad ( 040-27852333 and 23261166) and Bangalore (080- 22250999, 080- 22942222).

The government has  said those who are spreading rumours online and through text messages  will be identified and punished. The Home Affairs Ministry has ordered online surveillance.

In parliament, leaders across political parties said that all Indians from the North East must rest assured that their safety is a priority for the government and that they must work and live wherever they want.

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