Choosing Primary Keys for Databases

When determining primary keys for databases, it's advisable to opt for auto-incrementing unsigned big integers in the majority of cases. This choice ensures virtually unlimited scalability without the risk of running out of unique identifiers. Compared to other options like UUIDs, which are strings, big integers offer significant size advantages since integers are more space-efficient than strings, especially concerning larger datasets. Auto-incrementing integers streamline database management, enhance performance, and simplify relational operations.