April 2019, by Paul Hausser, Envisn, Inc.
Most institutional data used for reporting purposes comes from one or more data warehouses which are typically aggregations of internal transaction systems like SAP, Oracle, etc. But more frequently today an equally large portion comes from external sources. This could be vendors/ suppliers, government sources, customers, etc. In fact, this segment of data is typically growing at a much faster rate than internal sources as companies need for this data becomes critical to just in time supply chain management as well as quality control.