Query processing and optimisation are critical components of modern database systems, serving to translate high‐level declarative queries into efficient, low‐level machine instructions.

MySQL Autopilot uses advanced machine learning techniques to accelerate HeatWave query performance and scalability in Oracle Cloud’s MySQL Database Service.

A machine-learning AI is handling a large fraction of Google's search queries. ... RankBrain probably isn’t really a ranking signal, but rather a query processing tool.