29 October 2015

Database currently using by Market leader

Database currently using by Market leader

Google - Bigtable

LinkedIn.com -
Oracle (Relational Database)MySQL (Relational Database

Stack Overflow - SQL Server.

Flickr uses MySQL.

YouTube uses MySQL but they are moving to Google's BigTable.

Myspace uses SQL Server.

Wikipedia uses MySQL.


Hive (Data warehouse for Hadoop, supports tables and a variant of SQL called hiveQL). Used for "simple summarization jobs, business intelligence and machine learning and many other applications"

Cassandra (Multi-dimensional, distributed key-value store). Currently used for Facebook's private messaging.

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