Native primary key or auto generated one?

Question

As a rule is it better to use native primary keys (ie existing columns or combination of columns) or set your primary key to an auto generating row of integers?

Answer 1

This is a pretty common topic.

• How do you like your primary keys?
• What’s the best practice for Primary Keys in tables?
• Which format of primary key would you use in this situation.
• Surrogate Vs. Natural/Business Keys
• Should I have a dedicated primary key field?