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MultiTenancy is a feature of JPA that allows you to store database data across multiple tenants. It's not a new concept—many applications have used it for years to separate data by tenant. However, Spring Data JPA provides an easy way to use multi-tenancy in your application by using Hibernate as your persistence provider.
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This allows you to create a single entity class that can be shared by multiple tenants, giving each tenant its own independent instance of the data.
Let's see how it works by using three different approaches:
| MultiTenancy Type | Description |
|---|---|
| Partition tables by tenant id | Single table having partition (Supported Only from Hibernate 6) |
| Use a separate schema per tenant | Single Database having multiple schemas |
| Use a separate database per tenant | Different Databases having same schema (Could be having different aws regions) |
Additionally, another sample which implements Multiple Datasoures and MultiTenancy