Fast NoSQL database with SLA-backed speed and availability, automatic and instant scalability, and open-source APIs for MongoDB and Cassandra.


Features of Cosmos DB:-

1.Cosmos DB is horizontally scalable to support hundred of millions of reads and writes per second. 

2.Its has multi master support where the data can be simultaneously written into different database spread out globally.In this way the data is replicated onto the user's nearest region  so that it can be faster.

3.Rich API support of Azure Cosmos DB architecture allows us to create and manage databases using SQL API,Casandra API, Azure Cosmos DB API.These can be used to enumerate,read,create and update  the databases.


Cosmos Containers:-They are horizontally partitioned and replicated across multuple regions for scalability and throughput.They are schema agnostic and are indexed automatically.Containers can be created,updated  and edited using the Cosmos DB API.