Microsoft highlights open-source database investments at All Things Open 2026
Microsoft is focusing on cloud-native, AI-ready open-source database services including PostgreSQL and MongoDB-compatible options.
Summary
At the upcoming All Things Open 2026 conference, Microsoft will showcase its work on open-source database technologies designed for AI and cloud-scale workloads. The company is emphasizing its contributions to the PostgreSQL ecosystem and its managed services like Azure HorizonDB and Azure DocumentDB. These efforts aim to provide developers with familiar APIs and tools while supporting new requirements like vector search and real-time data access.
Microsoft's database portfolio
- Azure HorizonDB: A preview-stage, cloud-native, PostgreSQL-compatible service designed for AI workloads.
- Azure DocumentDB: A managed service compatible with MongoDB, utilizing the open-source DocumentDB engine.
- PostgreSQL focus: Microsoft is contributing upstream to PostgreSQL to support cloud-native scaling and AI-driven retrieval patterns.
- AI requirements: Emphasis on integrating vector search and real-time data access into existing open-source database models.
Why it matters
Microsoft's strategy involves contributing to upstream open-source projects to ensure that managed cloud services remain aligned with community-driven technologies like PostgreSQL.
Original reference: opensource.microsoft.com →