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lefred blog: tribulations of a MySQL Evangelist

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Old app, new database… am I screwed?

Who has never encountered a customer who, for all sorts of reasons (valid or not), was unable to update an application and therefore could no longer connect to the latest versions of MySQL? Or worse still, data that is shared between two applications, one of which absolutely must use the latest version of MySQL and […]


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preFOSDEM MySQL Belgian Days 2026 – Agenda

I am pleased to unveil the agenda for our two days dedicated to MySQL and its community just before FOSDEM. The preFOSDEM MySQL Belgian Days will take place on January 29 and 30th in Brussels. We received many excellent proposals from a wonderful panel of experienced, well-known speakers. We decided to provide as much content […]


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Deploying on OCI with the starter kit – part 9 (deploying a full app)

We have reached the end of our series on deploying to OCI using the Hackathon Starter Kit. For this last article, we will see how to deploy an application using Helidon (Java), the MySQL REST Service, and OCI GenAI with Lanchain4J. We use Helidon because it’s a cool, open-source framework developed by Oracle. It’s lightweight […]


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Deploying on OCI with the starter kit – part 8 (using MySQL REST Service)

The starter kit deploys a MySQL HeatWave DB System on OCI and enables the MySQL REST Service automatically: The REST Service enables us to provide access to data without requiring SQL. It also provides access to some Gen AI functionalities available in MySQL HeatWave. Adding data to MRS using Visual Studio Code To be able […]


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Deploying on OCI with the starter kit – part 7 (GenAI in HeatWave)

We saw in part 6 how to use OCI’s GenAI Service. GenAI Service uses GPUs for the LLMs, but did you know it’s also possible to use GenAI directly in MySQL HeatWave? And by default, those LLMs will run on CPU. The cost will then be reduced. This means that when you are connected to […]


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