Data modeling focuses on structuring data in a way that supports efficient analysis, accurate reporting, and scalable analytics. Articles under this tag explore concepts such as table relationships, star schemas, calculated fields, and normalization techniques used in tools like Excel, Power BI, and other BI platforms. Readers will find best practices, examples, and guidance for building models that improve performance, maintain consistency, and enable reliable insights. Use this tag to understand how strong data models form the foundation of effective analytics and dashboards.