Generate JSON Relational Duality Views from JPA entities Oracle AI Database's JSON Relational Duality Views (or simply duality views) let you treat relational tables and JSON documents as two sides of the same model: build your relational schema, and use comprehensive, normalized JSON documents on…

Hands-on CRUD with JDBC and JSON Relational Duality Views JSON Relational Duality Views are one of my favorite Oracle AI Database features (I’ll call them “duality views” from here on out). Duality views let you model data once, then serve it cleanly to both worlds: JSON-first application code and…

Brand new to Oracle AI Database? Start Here Many Oracle guides are written for DBAs or long-time developers, and as a newcomer it feels like you’re expected to already know the jargon. I started in the same place, learning the as I went, and I’m still learning each day. If you're considering using…

LangChain vs. DIY: Vector Search with Oracle AI Database When do you use a framework vs. write your own implementation - especially when it comes to AI? Frameworks can be the fastest path to production, only to act as a stumbling block later on. Often, the design choice isn't obvious. To better…

Use Oracle FreeSQL.com as a remote test database FreeSQL.com lets you use a free, hosted Oracle AI Database instance right from your browser. But, FreeSQL can also be used as a remote database for testing, POCs, and more! In this article, we'll walk though how to connect to a FreeSQL database from…

Data Is Context: Building Agent Harness with Database at the Center Long-running agents often fail because they lack disciplined, accurate context. This is especially important when tasks run for hours, touch multiple systems, and must respect permissions, compliance boundaries, and other…

Caching can improve performance by bringing data closer to the client @anders-swanson.bsky.social gives an overview of the caches in Oracle AI Database, including Oracle True Cache Oracle Active Data Guard Database In-Memory Buffer Cache Server-Side Result Cache

Overview of Caching Strategies with Oracle AI Database Recently, I've been exploring different caching database caching strategies with Oracle AI Database and came to the following conclusion: Choosing the right mix of caching and read-scaling options doesn't have to be a one-feature or…

Reflecting on a year of DevRel with Oracle AI Database Over the past year, I’ve been working in DevRel focused on modern application development with Oracle AI Database. Coming from a product engineering background, the shift was challenging: I moved from product, DevOps, and infrastructure work…

Propagating Cross-Database Events with Oracle AI Database Event-driven apps don’t have to stop at a single database boundary. In this hands-on guide, you’ll use Transactional Event Queues (TxEventQ) in Oracle AI Database to propagate real-time events from one database to another, no external…

GraphQL with ORDS & Oracle AI Database If you're running Oracle REST Data Services (ORDS) or Oracle Autonomous AI Database, you've got a configurable GraphQL server ready to query your data. GraphQL is a strongly typed query language and runtime for APIs that lets clients request exactly the data…

GraphQL + Oracle: Instantly Query Relational Data GraphQL became popular for its ability to provide fewer round trips, predictable payloads, and evolving client schemas. If you run Oracle AI Database, you don’t need a new data store to get those benefits: Using SQL, you can run GraphQL queries on…

Why You Should Use Pluggable Databases (PDBs) PDBs give microservices their own isolated database environment inside one database instance, reducing blast radius, simplifying lifecycle ops, and enabling hard resource controls. This solves the problem of what services need from the database layer:…

Transactional isolation in a multi-model database Most apps rarely fit a single data model. A single business action can touch JSON documents, update a graph, write spatial coordinates, process vector embeddings, and publish events to downstream services, all within the same database. However, not…

Oracle REST Data Services (ORDS) with Docker Compose Setting up Oracle REST Data Services (ORDS) test environment is quick and simple with Docker Compose and Oracle AI Database Free. In this article, we'll set up a clean, consistent ORDS + Database environment in minutes using containers: No…

Level Up Your Schema: Annotations for Object Metadata in Oracle AI Database In Oracle AI Database, annotations provide a powerful way to attach metadata to database objects. Tables, columns, views, and domains are enhanced with self-describing, user-defined assets. This article introduces…

Previously on @thatjeffsmith... Can I build an Agent & still use SQLcl’s MCP Server? Yes!

Natural Language SQL with Oracle MCP and LangChain4j Want to build agentic applications with MCP integrations in Java? Sure! Just use Langchain4j. In this article, we'll build a natural language interface for your database orchestrated by Langchain4j agents, integrating Oracle's SQLcl MCP server…

Spring Cloud Config: JDBC Backend & Oracle AI Database Spring Cloud Config's JDBC backend stores application properties in your database, providing a simple method to serve configuration properties to all your Spring Boot apps. Client → Config Server → Oracle DB Client → Config Server → Oracle DB…

Spatial Data in Oracle AI Database Spatial data describes the shape, location, and relationships of objects or points - whether virtual or in the real world. It powers everything from mapping and logistics to proximity search and location-aware applications. In Oracle AI Database, spatial is a…

AI Optimizer & Toolkit: test and generate apps In this article, we'll explore automated testing with the Oracle AI Optimizer & Toolkit, and then generate Python LangChain or Java Spring AI applications from our tested AI configurations. What is the Oracle AI Optimizer & Toolkit? It’s a free and…

Unlocking Session Visibility with Oracle Client Info Monitoring database interactions is critical for performance tuning, debugging, and security. With Oracle AI Database, you can attach client metadata to connections; such as client identifiers, module and action names. Client metadata can be…

AI Optimizer & Toolkit: connect LLMs and use your data In this article, we’ll configure the Oracle AI Optimizer and Toolkit with an LLM, enable embedding and chat APIs, and integrate user context through vectorized data for RAG-powered responses. We'll embed and store user data in Oracle AI…

AI Optimizer & Toolkit: set up a local sandbox The Oracle AI Optimizer and Toolkit is a free and open-source tool designed to make it easier for developers and data engineers to build, benchmark, and optimize AI workflows running on Oracle Database. It provides a modular framework for…

How to write a custom tracer for Oracle Database JDBC In this article, we'll implement a custom JDBC tracer for Oracle Database based on the OJDBC OpenTelemetry provider. Our custom implementation integrates with Spring Boot and adds span attributes like database client info and the system user.…

Oracle JDBC Tracing with Spring Boot OpenTelemetry Oracle's JDBC Driver can export traces to an OpenTelemetry backend - let's walk through how to configure this with Spring Boot and Micrometer! Just looking for the code? Click Here. With OpenTelemetry tracing, you gain visibility into JDBC calls…

Tracing a Spring Boot JMS app with Oracle Database Free In this article, we'll use OpenTelemetry tracing to instrument a Spring JMS application with Oracle Database Free. Tracing allows developers to follow a request as it flows through distributed systems — in this case, from the producer to the…

Monitor your Oracle Database(s) with OpenTelemetry In this article, we'll explore how Oracle Database fits into the modern, open-source, and cloud-native observability stack. What is OpenTelemetry? OpenTelemetry is an open-source observability framework that provides a standardized way to collect…

Testing Go apps with Oracle Database using Testcontainers In this article, we'll walk through how to configure an Oracle Database Free container for go application tests using testcontainers-go. What is Testcontainers? Testcontainers for Oracle Database (go) Write a test for OracleContainer Run…

Migrate an Apache Kafka app to Oracle Database in 5 minutes. youtu.be/LS12tcBNIdM?...

Consumers and message retention in database-driven event streaming In this article, we’ll walk through the differences between push vs. pull messaging, queues and topics, and describe consumer groups in the context of Oracle Database Transactional Event Queues (TxEventQ). By the end of this…

Pub/Sub with a NodeJS Oracle Database App Did you know you can easily add pub/sub capabilities to your NodeJS/TypeScript app using Oracle Database? In this article, we'll implement a simple pub/sub TypeScript example using Oracle Database Transactional Event Queues (TxEventQ). If you're not…

Pub/Sub in your DB? Oracle Database TxEventQ Pub/Sub in the Database? Yes — Here’s Why. In this article, we’ll discuss how to use your database for event streaming with Oracle Database Transactional Event Queues (TxEventQ), a built-in, database-native message broker. TxEventQ supports multiple…

Test your TypeScript/NodeJS apps with Oracle Database Free Testcontainers is a popular framework that lets you test applications against real, disposable containers. It helps ensure your tests run against realistic environments without requiring complex infrastructure setup. In this article, we'll…

Spring Boot + Oracle Database In this article, we'll explore several Oracle Database integrations with Spring Boot from the Spring Cloud Oracle project. UCP DataSource over Hikari Oracle Wallet JMS Spring Cloud Stream Binder kafka-clients APIs JSON Collections Testcontainers with Oracle Database…

Transactional Outbox: Simplified with Oracle Database Event streaming is extremely popular in modern application architectures, providing high-throughput, real-time data flow in microservices architectures. However, ensuring data consistency in distributed systems is challenging — Traditional…

Learn Testcontainers (Java) with Oracle Database Free Testcontainers is a popular testing library that enables developers to write tests against disposable, containerized instances of databases, message brokers, and other essential services — anything that can fit in a container. For database…

Test Python Applications with Oracle Database Free using Testcontainers Testcontainers is a wildly popular library that provides developers with on-demand, disposable containers. When you build apps that use databases like Oracle, testing against a real instance instead of mocks or in-memory…

Multiple Views, One Schema: Simple RBAC with Duality Views In this article, we'll explore how JSON Relational Duality Views can be used to decompose a schema into subdomains - allowing role-based isolation of data to relevant services. If you'd like to follow along with this article, I recommend…

10 Modern Database Features To Start Using Today Relational databases have evolved. Modern multi-model databases go beyond tables, rows, and columns to become full-featured data platforms for application development. In this article, we'll explore 10 modern Oracle Database features that help build…

Virtual, Materialized, and @generated columns In this article, we'll explore virtual and materialized columns and @generated fields in JSON Relational Duality Views. Why use computed columns at all? Indexing Query simplification Human error Types of computed columns Virtual Columns Materialized…

Using a modern database? You might not need that ORM anymore Object Relational Mapping (ORM) frameworks translate programming objects to SQL statements. ORM implementations are found in most programming languages, and frameworks like Hibernate and Prisma are extremely popular among developers for…

Lock-Free Writes at Scale: Under the Hood of Duality Views In this article, we'll explore Lock-Free Concurrency, a form of optimistic concurrency control. We'll see how lock-free concurrency control synchronizes document writes with JSON Relational Duality Views, allowing multiple concurrent…

GraphQL syntax for JSON Relational Duality Views Working with JSON Relational Duality Views, you can use the SQL or GraphQL DDL syntax. I like the GraphQL format for its simple, expressive syntax: in this article, we'll explore using GraphQL to define for JSON Relational Duality Views through…

How to run x86 containers on ARM (like Oracle Database adb-free) Sometimes you have an ARM chip, but the container image you want to use is only runs on x86 processors. I have a MacBook Pro (M-series, ARM architecture), but I also like running the Oracle Database adb-free container image. This is…

Let’s talk about Model Context Protocol (MCP) First, let's talk about LLVM, the modular and reusable compiler toolchain: With LLVM as a compiler backend, we write code in the language of our choice, and compile it to any number of supported backend architectures. “develop a frontend for any…

Many-to-many data modelling with JSON Relational Duality Views Oracle Database JSON Relational Duality Views are a powerful tool that combines the functionality of document databases and relational schemas. With duality views, you model data in normalized tables, and access it as clean, composable…

Simple RESTful services with ORDS: Duality Views In this article, we'll create a RESTful webservice that can GET/POST/PUT/DELETE relational JSON documents. The best part? We'll use just a few lines of PL/SQL and zero lines of backend code to implement our REST API with Oracle REST Data Services…

Simple RESTful services with ORDS Oracle REST Data Services (ORDS) is free-to-use Java EE server that extends that capabilities of Oracle Database with RESTful services. With ORDS, you get out-of-the-box functionality for your database instance: Database management REST APIs SQL Developer (web)…

One Database. Any Data. Any Workload. Oracle Database handles relational, JSON, vectors, and more—from a single, converged database engine. Try it out yourself, with Oracle Database Free: - container database: lnkd.in/dUtrjpXN - with Testcontainers: lnkd.in/gCGzufrd - Demo App: lnkd.in/g5digBVS