The author talks about the importance of database keys and shares a personal story about his car’s chassis number error being fixed easily. They discuss the use of natural keys, showcasing a database design example and the potential flaws of using natural keys, such as lack of uniqueness and susceptibility to data errors. The author suggests using synthetic keys for database tables based on past regrets with natural keys. They emphasize the need for data corrections and warn against using externally defined keys in database designs. Ultimately, the author advises against using natural keys and urges the use of synthetic keys for better database management.
https://blog.ploeh.dk/2024/06/03/youll-regret-using-natural-keys/