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MongoDB was created in 2007 by Doubleclick(now acquired by Google). The company was processing 400,000 ad requests per second, and it had multiple data structures, so traditional relational data was very difficult to process. Mongodb was born for need. It's been downloaded over 30 million times worldwide so far.

① MongoDB Features

JSON-like format storage.

Document model maps data objects to program code, which is easy to use.

Ad hoc queries, indexes, and aggregations provide powerful data access and analysis capabilities.

Kernel for distributed database, high availability, horizontal scale, easy to use distributed deployment.

Free and open source under the GNU Affero General Public License.

Who uses MongoDB?

Google, twitter, facebook, ebay, cisco, EA, adobe and many other big companies are using it. Amazon and domestic Tencent Cloud (Cloud), Alibaba Cloud all provide Mongodb cloud services. Ali used to use a java version of MongoDB driver, interested students can go to git search.

MongoDB version

MongoDB is divided into Community Edition and Enterprise Edition. The Enterprise Edition is also free with a few more features than the Community Edition:

Memory Storage Engine-High throughput and predictable low latency

Encrypted Storage Engine-Encrypted Data

Advanced security-secure data via LDAP and Kerberos connection control, open pluggable management, etc.

That's why we're using the corporate version.

What platforms does MongoDB support?

Amazon Linux x64Debian 7.1 x64Debian 8.1 x64OS X x64RedHat / CentOS 6.2+ x64RedHat / CentOS 6.7 s390x (IBM Z Series)RedHat / CentOS 7.0 x64RedHat / CentOS 7.1 ppc64le (IBM POWER)RedHat / CentOS 7.2 s390x (IBM Z Series)SUSE 11 s390x (IBM Z Series)SUSE 11 x64SUSE 12 s390x (IBM Z Series)SUSE 12 x64Ubuntu 12.04 x64Ubuntu 14.04 x64Ubuntu 16.04 ARM 64Ubuntu 16.04 ppc64le (IBM POWER)Ubuntu 16.04 s390x (IBM Z Series)Ubuntu 16.04 x64Windows x64

What languages does MongoDB support?

The official provides Python, Java, C++, C#, NodeJS and other more than 10 languages driver, community development of more than 30 languages driver. Almost all mainstream languages are covered.

6 Reference articles

MongoDB official website

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