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Planet MySQL
Planet MySQL - https://planet.mysql.com

  • Symlinks are Unsafe since MySQL 8.0.39 (and maybe even before)
    You read this right, symbolic links (symlinks) are unsafe in MySQL since at least 8.0.39.  As always, it is a little more complicated than that, but if you are using symbolic links and in certain conditions, you risk a crash.  I think it is important to raise awareness on this, hence this post. My attention was brought to this via the now private Bug #120156: MySQL 8.0.39/8.0.42

  • Join the Public MySQL Community Discussion Webinar (Edition #3)
    Following the strong participation in the first two editions of our Public MySQL Community Discussion webinar series, we’re excited to invite you to Edition #3. These sessions are part of our ongoing commitment to increase transparency, strengthen collaboration, and make it easier for the community to provide input that helps shape the evolution of MySQL’s. […]

  • 50 SQL Interview Questions and Answers (2026 Advanced Edition)
    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 […]

  • Celebrating 30 Years of MySQL: Free Training & Certification Results 
    In 2025, MySQL celebrated its 30th anniversary—and to mark the milestone, Oracle University (together with the MySQL Community team) offered free MySQL training and free certification exams from April 20 through July 31, 2025.  The goal was simple: make it easy for developers, DBAs, architects, and newcomers to build practical skills and validate them with […]

  • Thanks AWS Open Source
    I would like to thank AWS Open Source for their support. For some time, I am maintaining Planet for the MySQL Community, a blog / news aggregator for the MySQL Community/Ecosystem.  I am also maintaining a similar aggregator for the Valkey Community. Maintaining blog / news aggregators is not free.  It incurs hosting, domain registration, and other costs (in addition to time,