Open Source Core
Apache 2.0 licensed with no vendor lock-in, transparent code, and easy customization.
An open source PostgreSQL with 100% Oracle compatibility
IvorySQL is an advanced open source Oracle-compatible PostgreSQL distribution built for complete compatibility and smooth replacement of the latest PostgreSQL. The compatible_db switch lets you move between Oracle and PostgreSQL modes, while PL/iSQL supports Oracle PL/SQL syntax and package-style development.
From kernel compatibility to ecosystem integration, built for production workloads.
Apache 2.0 licensed with no vendor lock-in, transparent code, and easy customization.
PL/iSQL and the ivorysql_ora extension provide strong PL/SQL compatibility for Oracle migrations.
Compatible with mainstream hardware and operating systems, including domestic chip architectures.
Container-ready support across Docker Compose/Swarm, K8S Operator, and cloud platforms.
Backed by HighGo and validated in production-grade enterprise deployments.
Inherits PostgreSQL SQL completeness, reliability, and ecosystem extensibility.
Covers enterprise workloads, LBS, data warehousing, web/app development, and migrations.
Reduces management overhead with developer-friendly interfaces and third-party integration.
Supports mainstream database workloads from OLTP systems to analytical platforms.
Fits ERP, transaction systems, and finance systems requiring high availability and complex logic.
Supports geospatial workloads such as O2O and game maps through PostGIS.
Build analytical platforms with rich data types and robust processing capabilities.
Improves website and application efficiency with high-performance database capabilities.
Enables direct migration paths from Oracle databases to IvorySQL.


See more compatibility certificates and ecosystem partnerships on the partners page.