Largest Databases in the World

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1.7.11

01. World Data Centre for Climate
  • 220 terabytes of web data
  • 6 petabytes of additional data

02. National Energy Research Scientific Computing Center
  • 2.8 petabytes of data
  • Operated by 2,000 computational scientists

03. AT&T
  • 323 terabytes of information
  • 1.9 trillion phone call records

04. Google
  • 91 million searches per day
  • accounts for 50% of all internet searches
  • Virtual profiles of countless number of users

05. Sprint
  • 2.85 trillion database rows.
  • 365 million call detail records processed per day
  • At peak, 70,000 call detail record insertions per second

06. ChoicePoint
  • 250 terabytes of personal data
  • Information on 250 million people

07. YouTube
  • 100 million videos watched per day
  • 65,000 videos added each day
  • 60% of all videos watched online
  • At least 45 terabytes of videos

08. Amazon
  • 59 million active customers
  • More than 42 terabytes of data

09. Central Intelligence Agency
  • 100 FOIA items added each month
  • Comprehensive statistics on more than 250 countries and entities
  • Unknown number of classified information

 10. Library of Congress
  • 130 million items (books, photographs, maps, etc)
  • 29 million books
  • 10,000 new items added each day
  • 530 miles of shelves
  • 5 million digital documents
  • 20 terabytes of text data

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