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by jdf 3431 days ago
There have been a lot of tuning systems that take a workload and try to optimize things like index structures. They are tools that get your database "tuned" rather than "self-tuning".

However, I think this (very recent) research paper is a much better peek at how self-tuning might work:

https://blog.acolyer.org/2017/01/17/self-driving-database-ma...