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The Unity Catalog is a metadata management service provided by Azure Databricks that allows you to manage your Databricks objects such as tables, views, functions, and pipelines.
An Account ID in Databricks is a unique identifier for a Databricks workspace. Each workspace has a unique account ID, and a tenant can have multiple workspaces with different account IDs. Therefore, the account ID is not unique for a tenant, but rather unique for a specific workspace.
If you have multiple workspaces under a single tenant, each workspace will have its own unique account ID. You cannot use the account ID of one tenant to enable Databricks workspace metastore from a different tenant, as the account ID is specific to the workspace and cannot be shared across tenants or workspaces.
In summary, the account ID is a unique identifier for a Databricks workspace and is not specific to a tenant. Each tenant can have multiple workspaces with different account IDs, and you cannot use the account ID of one tenant to enable Databricks workspace metastore from a different tenant.
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