Azure Cosmos DB is Microsoft’s proprietary globally-distributed, multi-model database service “for managing data at planet-scale” launched in May 2017. It is schema-agnostic, horizontally scalable, and generally classified as a NoSQL database.
Azure Cosmos DB is a fully managed NoSQL database service for modern app development. Get guaranteed single-digit millisecond response times and 99.999-percent availability, backed by SLAs, automatic and instant scalability, and open-source APIs for MongoDB and Cassandra. Enjoy fast writes and reads anywhere in the world with with turnkey data replication and multi-region writes.