Would also recommend reading "Designing Data-Intensive Applications" https://www.oreilly.com/library/view/designing-data-intensive-applications/9781491903063/ h

Would also recommend reading "Designing Data-Intensive Applications" https://www.oreilly.com/library/view/designing-data-intensive-applications/9781491903063/ https://www.oreilly.com/library/view/designing-data-intensiv... The chapter "Data Structures That Power Your Database" offers a great overview of various storage mechanisms of databases