A list of the ten largest databases on the planet has been published.
Tekhnoblog Business Intelligence Lowdown has published a list of the ten largest (in the opinion of the authors notes) databases in the world:
1. The World Climate Center (World Data Center for Climate) - 220 terabytes of web data, 6 petabytes of additional data.
2. National Energy Research Computer Computing Center (National Energy Research Scientific Computing Center) - 2.8 petabytes of data, served by 2000 scientists.
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3. Telecommunications company AT & T - 323 terabytes of data, 1.9 trillion records of phone calls.
4. Google search engine - 91 million search queries per day (50% of all requests on the Internet), 33 trillion records in the database.
5. Sprint telecommunications company - 2.85 trillion lines in the database, 365 million processed calls per day.
6. The largest telephone search engine ChoicePoint - 250 terabytes of personal data, information about 250 million people.
7. YouTube video service - 45 terabytes of video content, 100 million hits per day, 65 thousand daily added clips.
8. Amazon Store - 59 million active users, 42 terabytes of data.
9. The CIA (US Central Intelligence Agency) - several hundred thousand official documents, available in open form, comprehensive statistics on 250 countries.
10. Library of Congress - 130 million objects (books, photos, maps), of which books account for 29 million, 850 kilometers of shelves, 20 terabytes of textual information.
1. The World Climate Center (World Data Center for Climate) - 220 terabytes of web data, 6 petabytes of additional data.
2. National Energy Research Computer Computing Center (National Energy Research Scientific Computing Center) - 2.8 petabytes of data, served by 2000 scientists.
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3. Telecommunications company AT & T - 323 terabytes of data, 1.9 trillion records of phone calls.
4. Google search engine - 91 million search queries per day (50% of all requests on the Internet), 33 trillion records in the database.
5. Sprint telecommunications company - 2.85 trillion lines in the database, 365 million processed calls per day.
6. The largest telephone search engine ChoicePoint - 250 terabytes of personal data, information about 250 million people.
7. YouTube video service - 45 terabytes of video content, 100 million hits per day, 65 thousand daily added clips.
8. Amazon Store - 59 million active users, 42 terabytes of data.
9. The CIA (US Central Intelligence Agency) - several hundred thousand official documents, available in open form, comprehensive statistics on 250 countries.
10. Library of Congress - 130 million objects (books, photos, maps), of which books account for 29 million, 850 kilometers of shelves, 20 terabytes of textual information.
Source: https://habr.com/ru/post/3387/
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