The Three-Layered DesignBronze LayerProcessing HierarchyProcessing Full Data LoadsProcessing Incremental Data LoadsData Historization Within the Bronze LayerSchema Evolution and ManagementMergeSchema and Schema EnforcementTechnical Validation ChecksUsage and GovernanceThe Bronze Layer in PracticeSilver LayerCleaning Data ActivitiesDesigning the Silver Layer’s Data ModelHarmonization with Other Sources3NF and Data VaultOperational Querying and Machine LearningManaging Overlapping RequirementsAutomation TasksThe Silver Layer in PracticeGold LayerStar SchemaStar Schema Design NuancesCurated, Semantic, and Platinum LayersOne-Big-Table DesignServing LayerThe Gold Layer in PracticeConclusion