Planet MySQL HA Blog

This post will guide you through building a simple RAG workflow using the popular LangChain framework, powered entirely by the in-database AI capabilities of MySQL HeatWave GenAI. We will ingest a public blog post, index it in the HeatWave Vector Store, and use a HeatWave-hosted LLM to answer questions based on its content following the LangChain guide to creating vector stores and using them for RAG.

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Ready to grow your querying skills? This post introduces curious newcomers to the WHERE clause in MySQL, showing how simple conditions, clever operators, and cheerful library metaphors can help you filter data like a pro. Find the exact records you need using approachable SQL examples—no dusty catalogs required!

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We’re introducing a powerful set of enhancements aimed at boosting service availability and manageability thereby simplifying migrations from AWS Aurora, RDS, or MySQL on EC2, and improving performance.

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MySQL is still the workhorse behind modern applications. From SaaS platforms to e-commerce, it powers the transactional data that businesses rely on. As more organizations adopt Kubernetes for its promise of portability, automation, and infrastructure efficiency, it’s natural to want MySQL to live alongside the rest of the stack. Running databases as containers is appealing: one control plane, unified pipelines, and elastic scaling.

But while Kubernetes makes stateless services almost effortless, MySQL exposes the limits of that model. Persistence, replication, and…

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This blog post shows the performance evaluation of the BLOB_INLINE_SIZE column option for NDB tables in comparison without it, as well as the benefits of batching BLOB read and writes.

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In my first post on the MySQL 8.4 Audit Log Filter component, I covered how to install the component and configure a basic filter that captures all events. The Audit Log Filter framework offers a highly granular and configurable auditing mechanism, enabling administrators to log specific events based on criteria such as user, host, or event type. This selective approach enhances observability, supports compliance initiatives, and minimizes unnecessary logging overhead.

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Curious about what's inside your MySQL tables? This post introduces beginners to the SELECT statement, using friendly library metaphors, approachable SQL examples, and helpful tips—including how to alias column names. Get ready to start exploring your data with confidence!

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Having explored the innovative MySQL HeatWave technology that converts Natural Language into SQL (Ask Your Database Anything: Natural Language to SQL in MySQL HeatWave), our next article in this series, dives into a practical use case demonstrating how an AI DBA Assistant can significantly simplify your query generation workflow. In MySQL, there are 3 specialized […]

The post Let Your AI DBA Assistant Write Your MySQL Queries first appeared on dasini.net - Diary of a MySQL expert.

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This blog gives you a complete overview of MySQL HeatWave sessions so you can plan your agenda, mark your calendar, and make the most of the event.

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We’re proud to announce that Percona is a Platinum Sponsor of PostgreSQL Conference Europe (PGConf.EU) 2025, taking place October 21–24, 2025 in Riga, Latvia 🇱🇻 at the Radisson Blu Latvija Conference Center.

As a Platinum Sponsor, you can find Percona in a prime main exhibit floor location; a chance to connect directly with our PostgreSQL experts from around the world. Visitors stopping by our booth will be able to:

• Enter raffles and win Percona & PostgreSQL SWAG

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