Which database does Facebook & Google use ?

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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Inspirations


 
Worlds best 7 Superb Sentences

Shakespeare.
"Never Play With The Feelings Of Others Because U May Win The Game But The Risk Is That U Will Surely Lose The Person For A Life Time".

Napoleon.
"The world suffers a lot. Not because of the violence of bad people, But because of the silence of good people"

Abraham Lincoln.
"If friendship is ur weakest point then U are the strongest person in the world."

Shakespeare.
"Laughing Faces Do Not Mean That There Is Absence Of Sorrow! But It Means That They Have The Ability To Deal With It".

William Arthur.
"Opportunities Are Like Sunrises, If You Wait Too Long You Can Miss Them".

Hitler.
"When You Are In The Light, Everything Follows You, But When You Enter Into The Dark, Even Your Own Shadow Doesn't Follow You"
Shakespeare.
"Coin Always Makes Sound But The Currency Notes Are Always Silent. So When Your Value Increases Keep Quiet "
Einstein. 
" I am thankful to all those who said NO to me It's because of them I did it myself  "


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