Azure Cosmos DB documentation

NoSQL

• SQL queries
• Model document data
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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 >

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 and BI

• Analytics and BI overview
• Analytics and BI use cases
• Azure Synapse Link for Azure Cosmos DB

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

Migration options

• Cassandra Query Language (CQL) shell, Spark � API for Cassandra
• Azure Database Migration Service � API for MongoDB

Migration guides

• Oracle Database to Azure Cosmos DB API for Cassandra using Arcion
• Apache Cassandra to Azure Cosmos DB using Arcion
• Migrate hundreds of terabytes of data