How do I choose a primary key for my database?
An example of an AI chatbot conversation about choosing a primary key for a database.
How do I choose a primary key for my database?
Choosing a primary key involves selecting a unique identifier for each record. It should be stable, unique, and not null.
What are some common types of primary keys?
Common types include natural keys, surrogate keys, and composite keys. Each has its own use cases.
Can you give an example of a surrogate key?
Sure! A common example of a surrogate key is an auto-incrementing integer, like a user ID.
What should I avoid when selecting a primary key?
Avoid using mutable attributes, like names or emails, as they can change and affect data integrity.
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