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This may be desirable if you want to update just one or a few fields on an object.
There will be a slight performance benefit from preventing all of the model fields from being updated in the database. This only deletes the object in the database; the Python instance will still exist and will still have data in its fields.
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This will ensure the attribute is properly applied to all of the relevant Realm files, regardless of their creation time. A synchronized Realm uses the Realm Object Server to transparently synchronize its contents with other devices.
In practice, your application works with any kind of Realm the same way, although opening a synchronized Realm requires a user that’s been authenticated to the Object Server and that’s authorized to open that Realm.
It should be very rare that you’ll need to use these parameters.
Django will almost always do the right thing and trying to override that will lead to errors that are difficult to track down. Using , only the fields named in that list will be updated.
The Realm Objective‑C and Realm Swift APIs are not interoperable and using them together is not supported.