MS SQL Server: Aggregation queries
You can fetch aggregations on columns along with nodes using an aggregation query.
The name of the aggregate field is of the form
<field-name> + _aggregate.
Common aggregation functions are
min, etc. You can see the complete specification of the
aggregate field in the API reference.
For more advanced use cases, you can use views.
Fetch aggregated data of an object
Example: Fetch a list of articles with aggregated data of their rating:
Fetch aggregated data on nested objects
The following is an example of a nested object query with aggregations on the array relationship between an author and articles.
Example: Fetch author with id "1" and a nested list of articles with aggregated data of their rating: