Data Granularity Decisions: Determining the Level of Detail (Daily vs. Monthly, SKU vs. Category) for Storage and Reporting
Data granularity is the level of detail at which data is captured, stored, and reported. It sounds simple, daily vs. monthly, SKU vs. category, but it quietly shapes everything from dashboard trust to warehouse cost. When granularity is too fine, systems get slow and expensive, and reporting becomes noisy. When it is too coarse, teams…