What is a surrogate key?
An example of an AI chatbot conversation about surrogate keys in databases.
What is a surrogate key?
A surrogate key is a unique identifier for an entity in a database, often used instead of natural keys.
Can you give me an example of a surrogate key?
Sure! In a customer database, a surrogate key could be a unique customer ID generated by the system, rather than using the customer's email.
Why would I use a surrogate key instead of a natural key?
Surrogate keys are often simpler, more efficient, and can help maintain data integrity when natural keys change.
Are there any downsides to using surrogate keys?
Yes, one downside is that they can make the database less intuitive, as they don't carry meaningful information about the data.
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