| There are a lot of concepts and terms that it is | | | | Transactional or Operational Systems - Source Data |
| necessary to know and handle when a team working | | | | Systems: The main source for business intelligence |
| with Business Intelligence issues. In order to really | | | | data to be analyzed is all data captured, processed |
| understand all these concepts and its relationships, it is | | | | and reported by all core transactional systems for the |
| necessary grouping these terms by functions inside | | | | company or organization. |
| the whole BI design and BI implementation. | | | | Data Transfer Processes - Data Interfaces - ETL |
| Instead of established concepts, every organization | | | | Processes: All necessary data must be processed |
| establishes its own interpretations for every term, so | | | | from source data systems to a specialized |
| this subject contains the most utilized interpretation for | | | | repositories or to show to final users. These data |
| every term or concept. | | | | interfaces are called ETL (Extract, Transform and |
| From the functional point of view, we have these | | | | Load) processes. |
| groups of components: | | | | |