Universal Data Connector (UDC) is a system for connecting to different data sources and models. Model is a unit that is similar to cube, and it is built using Necto UDC.
When you choose Necto UDC as the data source, the next step of the wizard displays as illustrated in the following figure.
To select a model:
1.
Choose a model from public 
, private 
or a user’s 
models. You can use the search box to find a
model.
2. Click Finish.