I assume you are trying to create a datasource in Denodo by connecting to DBT. In that case, if the source supports either JDBC connection,ODBC or has REST API I would create either a JDBC datasource, ODBC datasource or JSON/XML datasource in the Virtual DataPort server.
* If the DBT provides a JDBC driver then you could use the provided driver and create a JDBC datasource in the Virtual DataPort server.
* Similarly, if is it possible to access data available in the source using any REST API then you create a JSON/XML data source in the Virtual DataPort server to access the data.
Furthermore, you could also create a [custom wrapper](https://community.denodo.com/docs/html/browse/8.0/en/vdp/developer/developing_extensions/developing_custom_wrappers/developing_custom_wrappers#developing-custom-wrappers) in order to connect to sources that do not support any of the out-of-box connectivity provided.
For more information, you can take a look at the [Generating Wrappers and Data Sources](https://community.denodo.com/docs/html/browse/8.0/en/vdp/vql/generating_wrappers_and_data_sources/generating_wrappers_and_data_sources#generating-wrappers-and-data-sources) section of the Virtual DataPort VQL Guide.
Hope this helps!