Understanding Aggregate Functions Performance - The Backend Engineering Show

Explore the performance implications of aggregate functions in database engineering through this informative video. Dive into the intricacies of COUNT, AVG, and MAX functions, examining how database tuning affects their efficiency. Learn about best-case scenarios, clustering techniques, and the impact of sequential and random writes on database performance. Gain valuable insights into optimizing aggregate function queries and enhancing overall database performance through this comprehensive breakdown of key concepts and practical examples.

Intro
SELECT COUNT*
SELECT AVGA
SELECT MAXA
Best case scenario
Clustering
Clustering Sequential Writes
Clustering Random Writes
Summary