Overview
Azure HorizonDB is Microsoft’s new fully managed, PostgreSQL-compatible database service built for modern cloud and AI applications. It is designed for mission-critical workloads that need predictable performance, enterprise-grade security, high availability, and scalable architecture while preserving compatibility with the PostgreSQL ecosystem.
At a high level, HorizonDB matters because it brings transactional data, cloud-native scale, and AI capabilities closer together. Instead of forcing teams to stitch together separate systems for relational data, vector search, AI model interaction, and data pipelines, HorizonDB is designed to support more of those patterns directly within a PostgreSQL-compatible platform.
This is especially important as organizations modernize applications and begin embedding AI into everyday business workflows. The database layer is becoming more than a system of record. It is becoming part of the intelligent application architecture.
Key High-Level Characteristics Everyone Should Know
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