Azure Cosmos DB is Microsoft's fully managed and serverless distributed database for applications of any size or scale, with support for NoSQL and relational workloads. It offers turnkey global distribution across any number of Azure regions by transparently replicating your data wherever your users are. Customers can develop applications fast using their preferred open-source database engines, including PostgreSQL, MongoDB, and Cassandra. Azure Cosmos DB provides automatic scalability, enterprise-grade security, and cost-effective consumption-based pricing options.
Azure Cosmos DB for NoSQL provides cloud-native applications with high availability and low latency using Microsoft Azure's native distributed NoSQL database.
Azure Cosmos DB for PostgreSQL is a managed service for PostgreSQL extended with the Citus open source superpower of distributed tables.
Fully managed database service for apps written for MongoDB. Recommended if you have existing MongoDB workloads that you plan to migrate to Azure Cosmos DB.
Fully managed Cassandra database service for apps written for Apache Cassandra. Recommended if you have existing Cassandra workloads that you plan to migrate to Azure Cosmos DB.
Fully managed graph database service using the Gremlin query language, based on Apache TinkerPop project. Recommended for new workloads that need to store relationships between data.
Fully managed database service for apps written for Azure Table storage. Recommended if you have existing Azure Table storage workloads that you plan to migrate to Azure Cosmos DB, but do not want to re-write your application to use the NoSQL API.
