What is the output when using an aggregate function like Sum or Average on an attribute?

When using an aggregate function such as Sum or Average, the resulting aggregated attribute indeed becomes the sole output when configured accordingly. This means that when the aggregate is performed, the focus shifts to the computed value that represents either the total sum of all entries in a specified attribute or the average of those entries.

In a traditional web application development context, when you choose to collect aggregated data using these functions, you typically want a specific outcome rather than a full dataset. By default, this processed result can be returned without any additional entity attributes, thus streamlining the data output to only what you need for further processing or display.

The output differentiates from standard queries where you might return multiple fields from an entity. Aggregates aim for concise results that directly reflect the calculation requested. Therefore, your understanding aligns correctly; the output will contain exclusively the resulting aggregated attribute when applied in this manner.