The original intention of surrogate keys across multidimensional database designs was to help optimize joins by keeping all keys, used for joining between facts and dimensions, both numeric and single ...

Most any application needs some form of persistence—a way to store the data outside of the application for safekeeping. The most basic way is to write data to the file system, but that can quickly ...

When working on a multidimensional design, every fact table within scope should be handled with care. In an ideal world, each low-level fact table represents the metrics related to a business event.