To sync changes done in the external data source with Tavolo, Open Data Sources tab in the Base Settings, select the data source you wish to sync metadata for, and follow the steps below:

1. Click on the Meta Sync tab
2. Click on the Reload button to refresh Sync state (Optional)
3. Any changes to the metadata identified will be listed in the Sync State column
4. Click on Sync Now button to sync the metadata changes
5. Once the sync is complete, you can see the updated state in the Sync State column

After the sync is complete, you can see the updated state in the Sync State column.
Sync modal also marks Tables metadata is in Sync in the header.