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When indexes make SQL queries slower

Apr 15, 2025

During our SQL optimisation training courses, I always stress the need of understanding how databases run SQL queries internally. Which is easier and more intuitive than you'd think, anyway. But if you overlook this aspect, there is always a risk of sticking to simple...

Announcing the Database Frontiers Virtual Conference!

Apr 7, 2025

Hey database enthusiasts! We're excited to announce Database Frontiers, a free virtual conference co-organised by Vettabase and BreachDirectory.com, happening on 15th October 2025. Database Frontiers is bringing together brilliant minds from across the database world...

MariaDB SEQUENCE: a Simple Approach to Synthetic Data

Mar 24, 2025

MariaDB SEQUENCE is a storage engine that generates a sequence of positive integer numbers. However, in this article I will show you that it's easy to use SEQUENCE to generate more complex sequences, that are not necessarily numeric. This is a very convenient way to...

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When indexes make SQL queries slower

Announcing the Database Frontiers Virtual Conference!

MariaDB SEQUENCE: a Simple Approach to Synthetic Data

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