Feb 17, 2010

Top 10 Largest Databases in the World


Some people have a tendency to collect items and they have collected something or the other during the course of their lives. While some collected coins, others collected stamps. These top 10 large databases collect newspapers, books, numbers, records- you name it, and they’ll have it.


10. World Data Centre for Climate

This database is controlled and maintained by the German Climate Computing Centre as well as the Max Planck Institute for Meteorology. This database could be examined to find the patterns that led to the severe changes in the climatic conditions.




9. National Energy Research Scientific Computing Center

The National Energy Research Scientific Computing Center is the second largest database of the world. It is controlled by the Lawrence Berkeley National Laboratory in the United States of America. It holds research information related to atomic energy, high energy physics, theories related to various topics, etc.


8. AT&T

This is similar to Sprint and is the oldest company that deals with telecommunications. It holds over 310 terabytes of information and almost 2 trillion rows- making the call records extremely extensive. In addition to that, one can also find old records. Therefore, if your grandfather ever made a call using AT&T, the company will probably still have the records.


7. Google

Google has never made the true size of their database public. However, the type and amount of information found on the website is overwhelming. According to statistics, over 90 million searches are carried out every day. Google has been called the king of internet databases.



6. Sprint

The telecommunication company has over 50 million subscribers. In the past, it offered long distance packages as well. The records are highly detailed and holds at least 3 trillion rows of database, over 350 call records on a daily basis and 70,000 insertions every second. Sprint is quite notorious and infamous and expands quite rapidly.


5. ChoicePoint

ChoicePoint is basically a phone book which contains information about the population residing in the United States of America. It holds criminal histories as well as driving records. It has been said that the database would reach the moon and back at least 75 times. ChoicePoint has helped a number of authorities solve difficult and complicated cases in the past.


4. YouTube

YouTube has been in operation for two years and holds a massive library of videos. A loyal user base follows the website and according to records-over a 100 million clips are watched on a daily basis. The size of this database seems to double every 5 months. Therefore, it goes without saying that the overall statistics are staggering.


3. Amazon

This website holds over 250,000 textbooks and users can comment and interact with other users which makes Amazon the largest community on the web. Amazon has 55 million customers and above 40 terabytes of data.



2. Central Intelligence Agency

This database collects information on everything ranging from places to things to people. Even though the accurate size of this database is unknown, it holds both private and public information. 100 articles are added to the library every month and includes population statistics, maps as swell as military capabilities.


1. Library of Congress

Even after the onset of the digital age, the Library of Congress is still among the largest databases of the world. It holds over 125 million items which consist of colonial newspapers, cook books and government proceedings. The library expands every day and if you are finding it difficult to extract information from the world wide web, the library of congress is the answer to all your problems.



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