Create an Interface with a Composite Source
There are some situations when the main data object (source) cannot be represented by any single out-of-the box object. In this case, you may need to switch to the Source Designer mode to create your own Composite Source.
The two most common reasons for creating your own source include:
Need to bypass data caching due to very large amounts or volatility of data
Requirement to join multiple data objects by specific key and join type (other than inner join)
This is advanced functionality and requires deep understanding of data model.
In this section