Studying a Data Warehousing Model Diagram Information Technology Essay
Data Warehouse DW systems enable corporate managers to acquire and integrate information from heterogeneous sources and efficiently search massive databases. Building a data, ER diagram: A diagram that shows the entities and the relationships between them is called ER diagram. An ER diagram can take the form of a conceptual data model, a logical data model, or a physical data model. A data warehouse stores summarized data from multiple sources, such as databases, and uses online analytical processing OLAP to analyze data. A large repository designed to capture and store structured, semi-structured, and unstructured raw data. This data can be used for machine learning or AI in its raw state and data. The answer is simple: a Data Warehouse DW or DWH, also known as an Enterprise Data Warehouse EDW, is a framework used for documentation and data collection that is a critical part of business intelligence. DWs are primary archives of combined data from one or more outlets. They consolidate current and past events and a structural model for data warehousing success. Journal of Computer Information, 1 DOI: 10.1080 08874417.2008.11645305. Authors: Mark Hwang. Central Michigan University.