What Is Dimensional Modeling?
Dimensional modeling is a design technique used in data warehousing to structure data for optimized querying and reporting. It organizes data into fact and dimension tables, creating a schema that is intuitive, scalable, and efficient for analytical purposes. Fact tables contain quantitative data, often aggregated metrics, while dimension tables provide descriptive context, such as time, location, or product details. The star schema and snowflake schema are common layouts used in dimensional modeling to represent the relationships between facts and dimensions. This approach simplifies complex queries, enhances performance, and aids in generating meaningful insights for business intelligence efforts.