Connecting Queries Between Different Data Sources
This section lists the data sources between
which you can and cannot connect queries.
IBM® Cognos® Analytics with Watson supports the following:
- RDBMS to RDBMS joins
- set operations of any two queries
- master detail relationships between any two queries
- drill from any query to any other query
You cannot create the following types of joins:
- cube-to-cube (homogeneous)
- cube-to-cube (heterogeneous)
- cube-to-RDBMS
- cube-to-SAP BW
- SAP-BW-to-RDBMS