Data Model Governance Practices at Taobao (Tao Tian Group)
This article presents a comprehensive overview of Taobao's data model governance, covering background challenges, a four‑pillar solution framework, detailed practices such as invalid table decommissioning, source‑table consolidation, data handover, public‑layer operations, incremental control, productization, and future planning to improve efficiency, cost, and quality of large‑scale data models.