# MySQL

URL: https://donedeploy.com/technologies/mysql/

[!AI · November 2, 2026CI/CD for Models and PromptsEvaluation gates, model registries, canary releases and rollback: applying CI/CD discipline to prompts and models in LLM applications.](https://donedeploy.com/cicd-for-llms/)[!AI · October 23, 2026Fine-Tuning or Prompting? A Decision Guide for Small TeamsWhen prompting, RAG or fine-tuning is the right way to adapt a language model, and what each one costs a small engineering team.](https://donedeploy.com/fine-tuning-or-prompting/)

Questions

## MySQL: frequently asked

MySQL or MariaDB?

They share history but have diverged. Choose based on what your application supports and what your cloud provider offers as a managed service.

How do we upgrade MySQL safely?

Test the upgrade on a copy of production, check application compatibility, and use a replica-based switchover to keep downtime short.

Running MySQL, or deciding whether to? Tell us what you have; the first consultation is free.

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