Cascading Deletes and Foreign Key Constraints in Databases

The chapter explores the concept of cascading deletes and foreign key constraints in databases, discussing their implications in relational databases as well as NoSQL databases. It highlights the challenges of maintaining dependency graphs in distributed systems and contrasts the flexibility of NoSQL databases with relational constraints. The chapter also delves into the importance of reducing data, using SQL for data normalization, and the use of ORMs to map databases to data types.