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  • How to Turn a MySQL Unique Key Into a Primary Key
    A unique constraint specifies, one or more columns as unique it identifies. It is satisfied only when no two rows store the same non-null values at its core. A primary key constraint is a unique one that will say PRIMARY KEY in its defined way. It is satisfied only when rows unfold, and none may […]

  • preFOSDEM MySQL Belgian Days 2026
    We are excited to announce that the preFOSDEM MySQL Belgian Days 2026 will take place on Thursday, 29 January and Friday, 30 January 2026, in Brussels — just before FOSDEM 2026. This two-day gathering brings together the MySQL community: developers, DBAs, engineers, tool-builders, and enthusiasts — offering a fantastic opportunity for knowledge sharing, networking, and collaboration. The event will feature two content tracks, community sessions, expert talks by MySQL engineers and contributors, the much-anticipated “RockStars Award”, and a chance to mingle over good food. Why You Should Attend — or Speak! Share your expertise — Are you working on an interesting MySQL project, tool, performance optimization, migration story, or scaling challenge? This is your chance to present. Learn from experts — Meet core MySQL engineers and community veterans, and catch talks across a wide range of MySQL-related topics. Community & networking — It’s a friendly, community-driven event. Expect to meet people who work on very different aspects of MySQL: development, operations, tooling, open source integrations, and more. Two-day format + two tracks — More room for variety, deeper discussions, and better match between talk topics and audience interest. Call for Sessions — Here’s How to Submit We invite you to submit your session through the official CFP page: the call opened on 25 November 2025 and will close on 25 December 2025 (23:59 local, UTC+1). Don’t forget to mention the duration of your session! What to Do Next — Register & Spread the Word Block the dates: 29–30 January 2026 in Brussels. Submit your proposal before 25 December 2025. Register to attend: HERE !!! Help us spread the word — if you know other MySQL enthusiasts, developers or DBAs who might be interested: forward them the link, share on social media and community mailing lists, or invite them directly.

  • Cloud-Native MySQL High Availability: Understanding Virtually SYNC and ASYNC Replication
    When we run databases in Kubernetes, we quickly learn one important truth: things will fail, and we need to be prepared for this. Pods are ephemeral; nodes can come and go, storage is abstracted behind PersistentVolumes and can be either local to a node or backed by network storage, and Kubernetes moves workloads as needed […]

  • Let’s Rebuild the MySQL Community Together
    Where We Are We can all agree that the MySQL ecosystem isn’t in great shape right now. Take a look at Julia’s blog post [Analyzing the Heartbeat of the MySQL Server: A Look at Repository Statistics], which confirms what many of us have felt: Oracle isn’t as committed to MySQL and its ecosystem as it […]

  • Top 50 Essential SQL Interview Questions and Answers [2026]
    We understand that tackling SQL interviews can feel challenging, but with the right focus, you can master the required knowledge. Structured specifically for the 2026 job market, this comprehensive resource provides 50 real, frequently asked SQL interview questions covering everything from basic definitions and data manipulation to advanced analytical queries and performance optimisation. Section 1: SQL […]