When to Use a Separate User Database
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Overview
This article covers when to use a separate user database.
Solution
While it's usually preferable to keep data within Auth0, in some cases it can be advantageous or even necessary to use a separate database.
When using a separate database it's recommended to associate the external user profile with the user_id of the Auth0 user.
Reasons to use a separate database:
- When complex schemas with heavily nested attributes are required
- Need for high-frequency and/or low-latency data access
- Data sovereignty requirements
- Integration with legacy systems
