Oracle Database 26ai: 5 Major Features That Transform AI Development

Oracle Database 26ai Arrives with Over 200 New Features and a Bold AI-Native Vision

Oracle has officially announced the general availability of Oracle Database 26ai, marking the next major leap forward from Oracle Database 23ai and cementing the company’s strategic vision of making artificial intelligence an inseparable core function of the database engine. With over 200 new features — many of them centered squarely on AI-native capabilities — this release sends an unmistakable message to the Oracle ecosystem: the future of the database is intelligent, and that future is here now.

The release is available on Oracle Cloud Infrastructure (OCI) through both the Base Database Service and Autonomous Database, with on-premises availability following shortly after. The continued use of the “ai” branding in the naming convention is no mere marketing flourish — it reflects a deliberate architectural commitment to embedding AI directly into SQL, PL/SQL, and every layer of the database stack that Oracle professionals interact with daily.

1. Enhanced AI Vector Search and RAG Integration

Building on the AI Vector Search capabilities that debuted in 23ai, Oracle Database 26ai delivers significantly enhanced support for retrieval-augmented generation (RAG) workflows. Vector indexing performance has been improved, enabling faster similarity searches across large-scale vector datasets. More importantly, the integration between the database and large language models (LLMs) has been tightened so that developers can invoke AI-powered operations directly from SQL and PL/SQL — without leaving the database environment.

For organizations building AI-driven applications, this means the database itself becomes the orchestration layer for intelligent retrieval, reducing architectural complexity and eliminating the need for external vector database solutions. Oracle is making a clear statement: your data and your AI belong together, in the same engine.

2. Broader Multi-Model AI Provider Support via DBMS_CLOUD_AI

One of the most practical enhancements in 26ai is the expansion of the DBMS_CLOUD_AI package to support a broader range of AI model providers. This means Oracle DBAs and developers can now call multiple LLMs and AI services — not just Oracle’s own — directly from within the database using familiar PL/SQL interfaces. Whether your organization relies on OpenAI, Cohere, Google, or other providers, the database can serve as a unified gateway to those AI capabilities.

This multi-model flexibility is critical for enterprises pursuing best-of-breed AI strategies, and it gives Oracle professionals a powerful new tool for integrating intelligence into existing applications without wholesale architectural rewrites.

3. JSON Relational Duality Views and Graph Query Enhancements

Oracle Database 26ai continues to refine its converged database approach with significant enhancements to JSON Relational Duality Views, which allow data to be simultaneously accessed as both relational tables and JSON documents. This release improves the flexibility and performance of duality views, making them more practical for modern application development patterns where APIs and microservices demand JSON while backend processes rely on relational structures.

On the graph side, property graph enhancements with SQL/PGQ (SQL Property Graph Queries) make it easier than ever to run graph analytics using standard SQL syntax. This is a game-changer for organizations exploring knowledge graphs, fraud detection, and network analysis — all without deploying a separate graph database.

4. Deeper Oracle APEX and AI Assistant Integrations

The release introduces deeper integrations between the database and Oracle APEX, Oracle’s low-code application development platform. Combined with new database-native AI assistant capabilities, developers can now build intelligent, conversational interfaces on top of their Oracle data with less effort than ever before. Natural language interaction with the database is no longer a futuristic concept — it is a shipping feature.

For Oracle APEX developers, this means AI-powered search, content generation, and data summarization can be embedded directly into applications, dramatically accelerating development timelines for intelligent business tools.

5. Operational Improvements: True Cache, Globally Distributed Database, and Kubernetes

While AI dominates the headlines, Oracle Database 26ai also delivers important operational enhancements that matter deeply to DBAs managing production environments. True Cache improvements offer better read performance and simplified caching architectures. The Globally Distributed Database capabilities have been extended for greater scalability and data sovereignty compliance. And enhanced Kubernetes operator support gives DBAs modern infrastructure automation tools that align with DevOps and cloud-native deployment models.

These features ensure that 26ai is not just an AI showcase — it is a robust, enterprise-grade database platform that addresses the full spectrum of operational needs.

What This Means for Oracle Professionals

Oracle Database 26ai represents a pivotal moment for the Oracle ecosystem. For organizations still running on Oracle Database 19c — which is approaching the end of active support — this release provides a compelling modernization target with a clear, AI-oriented roadmap. Waiting is becoming increasingly risky, both from a support perspective and a competitive one.

For Oracle DBAs and developers, the practical takeaway is clear: skills in vector processing, AI model integration, SQL/PGQ graph queries, and natural language database interaction are no longer optional. They are becoming essential competencies for anyone working within the Oracle technology stack. The professionals who invest in learning these capabilities now will be the ones leading the next generation of intelligent application development.

Start by exploring the new features on OCI’s Autonomous Database, experiment with DBMS_CLOUD_AI and AI Vector Search, and begin planning your migration path. Oracle Database 26ai isn’t just an upgrade — it’s a transformation of what the database can do.

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