In an ideal world for report designers, all the data required for a report is available in one data source, and the structure and hierarchies perfectly match the reporting needs. Sadly, the world isn’t always ideal (just ask Theresa May…).
We often see scenarios where users are reporting numerical data from Analysis Services but want to include descriptive or textual information held elsewhere. People have approached this in different ways, but XLCubed’s mashup capability can make it a much more streamlined and maintainable process.