Azure Cosmos DB documentation

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

Concept

Introduction to Azure Cosmos DB

Get Started

Try Azure Cosmos DB free

Concept

Distributed NoSQL databases

Reference

Q&A

Concept

Choose an API in Azure Cosmos DB

How-To Guide

Create an Azure Cosmos DB for NoSQL account

How-To Guide

Create an Azure Cosmos DB for PostgreSQL account

Training

Learn more about Azure Cosmos DB

APIs

NoSQL

• SQL queries
• Stored procedures, triggers, UDFs
• Model document data
• See more >

MongoDB

• Supported features and syntax
• Mapping consistency levels
• Extension commands
• See more >

Apache Cassandra

• Wire protocol support
• Partitioning
• Secondary indexing
• See more >

Apache Gremlin

• Wire protocol support
• Graph data modeling
• Import graph data
• See more >

Table

• Build apps with API for Table
• Find request unit charge
• FAQ
• See more >

PostgreSQL

• Distributed relational databases
• Connect and run SQL commands using Python
• Distribute and modify tables
• See more >

Concepts

Explore core concepts

• Resource model
• Distribute data globally
• Partitioning
• Throughput & request units

Model your data

• Data modeling and partitioning
• Azure Cosmos DB service quotas

Analytics with Azure Synapse Link

• Synapse Link for Azure Cosmos DB
• Azure Cosmos DB Analytical Store
• Synapse Link use cases
• Configure Azure Synapse Link

Training & certification

Create an API for NoSQL application

• Build a .NET app
• Build a Node.js app
• Build a Java app
• See more >

Work with API for PostgreSQL

• Model data
• Ingest and query data
• Extend PostgreSQL functionality using extensions
• See more >

Certifications

• Microsoft Certified - Azure Cosmos DB Developer Specialty
• Microsoft Certified - Azure Developer Associate

Data Migration

Migration options

• CQL shell, Spark – API for Cassandra
• Azure Database Migration Service – API for MongoDB

Migration guides

• Oracle DB to Azure Cosmos DB API for NoSQL using Striim
• Oracle DB to Azure Cosmos DB API for Cassandra using Striim
• Oracle DB to Azure Cosmos DB API for Cassandra using Arcion
• Apache Cassandra to Azure Cosmos DB using Arcion
• Migrate 100's TBs of data