FDM/Data modelling versioning management

@carriechung,
Regarding model structure changes: https://developer.cognite.com/dm/graphql/modeling#versioning
In short, every structure change to your Type will be a new version. 

In regards to versioning best practices it’s important to understand that a data model is a versioned collection of versioned views.  You can see this when you query the data models endpoint: GET /models/datamodels.  This returns a response like the following:

The model is versioned and each view (type) of that model are versioned.  You explicitly control the version of the model and views.  A discussion can be found here: https://docs.cognite.com/cdf/data_modeling/guides/manage_dm
Versioning can be done in multiple ways.  If you are using the Fusion user interface, you can specify the version of the model when you publish and explicitly version each view using the @view directive.  If you are publishing your models via the API, then you set the version in the API request.

{
    "items": [
        {
            "space": "imdb",
            "externalId": "imdb",
            "version": "1",
            "createdTime": 1690391187165,
            "lastUpdatedTime": 1690391233930,
            "isGlobal": false,
            "name": "imdb",
            "description": "",
            "views": [
                {
                    "type": "view",
                    "space": "imdb",
                    "externalId": "Person",
                    "version": "1"
                },
                {
                    "type": "view",
                    "space": "imdb",
                    "externalId": "Actor",
                    "version": "1"
                },
                {
                    "type": "view",
                    "space": "imdb",
                    "externalId": "Director",
                    "version": "1"
                },
                {
                    "type": "view",
                    "space": "imdb",
                    "externalId": "Movie",
                    "version": "1"
                },
                {
                    "type": "view",
                    "space": "imdb",
                    "externalId": "ActedIn",
                    "version": "1"
                }
            ]
        }
    ]
}

Hope this helps,

Jason