Dimension Tables · Data Warehousing

Dimension Tables · Data Warehousing ━━━━━━━━━━━━━━━━ Part of GraphL's Data Warehousing series — every section pairs one diagram with the idea it explains, so the picture and the words land together. ━━━━━━━━━━━━━━━━ ⏱ CHAPTERS 0:00 What a dimension is — the context you slice by 1:35 Attributes & hierarchies 3:25 Surrogate keys in dimensions 5:14 Conformed dimensions & the bus matrix 6:51 Role-playing dimensions 8:16 Junk dimensions 9:55 Degenerate dimensions revisited 11:31 The date dimension — the universal dimension 13:18 Fact vs dimension — the two building blocks 15:06 Common dimension design pitfalls ━━━━━━━━━━━━━━━━ ▶ DATA WAREHOUSING — THE SERIES ① Warehouse Fundamentals → https://graphl.in/data-warehousing/#/... ② Normalization & Keys → https://graphl.in/data-warehousing/#/... ③ Fact Tables → https://graphl.in/data-warehousing/#/... ④ Dimension Tables ◀ this video → https://graphl.in/data-warehousing/#/... ⑤ Star & Snowflake Schemas → https://graphl.in/data-warehousing/#/... ⑥ Slowly Changing Dimensions → https://graphl.in/data-warehousing/#/... ━━━━━━━━━━━━━━━━ 🔗 Watch interactively on GraphL → https://graphl.in/data-warehousing/#/... 🌐 More concepts → https://graphl.in ━━━━━━━━━━━━━━━━ #DataWarehouse #DataWarehousing #DataModeling #DimensionalModeling #StarSchema #Kimball #ETL #DataEngineering #TechEducation