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Azure Cosmos DB for PostgreSQL documentation

Azure Cosmos DB for PostgreSQL is a managed service for PostgreSQL extended with the Citus open source superpower of *distributed tables*.

About Azure Cosmos DB for PostgreSQL

Overview

  • What is Azure Cosmos DB for PostgreSQL?

Concept

  • Clusters
  • Distribute and modify tables
  • Sharding models

Get started

Quickstart

  • Connect and run SQL commands using Python
  • Connect and run SQL commands using Node.js
  • Connect and run SQL commands using C#
  • Connect and run SQL commands using Java
  • Connect and run SQL commands using Ruby

Tutorial

  • Design a multi-tenant database
  • Design for microservices

How-To Guide

  • Connect to a cluster
  • Ingest data using native extensions
  • Ingest data using Azure Stream Analytics
  • Ingest data using Azure Data Factory

Scale your cluster

How-To Guide

  • Pick initial cluster size
  • Scale cluster
  • Rebalance cluster
  • Manage read replicas

Get training

Training

  • Model data
  • Ingest and query data
  • Extend PostgreSQL functionality using extensions
  • Manage performance and availability

video

  • Azure Friday - Introducing API for PostgreSQL

Security

Concept

  • Overview
  • Public access
  • Private access
  • Node DNS names
  • Row-level security
  • Customer managed keys

How-To Guide

  • Manage public access
  • Manage private access
  • Configure SSL
  • Enable encryption with customer managed keys
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  • © Microsoft 2025
Your Privacy Choices
  • Previous Versions
  • Blog
  • Contribute
  • Privacy
  • Terms of Use
  • Trademarks
  • © Microsoft 2025