Explore the concept of database clustering, also known as table clustering, clustered index, or index-organized table, in this informative video from the backend engineering show. Dive into the benefits and drawbacks of implementing clustering in databases, with a focus on MySQL and PostgreSQL. Learn how this feature is implicitly implemented in certain database systems and gain insights into its impact on database performance and organization. Discover the differences between clustering and fragmentation, and understand how clustering is applied in popular database management systems. Enhance your knowledge of database optimization techniques and their practical applications in backend engineering.