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Which columns to use
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Optimizing Geospatial Queries with Dynamic File Pruning in Databricks Delta
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- 1 Introduction
- 2 Agenda
- 3 Background
- 4 Highlevel diagram
- 5 Databricks
- 6 Use Cases
- 7 Why we use these tools
- 8 Partitioning
- 9 Dynamic Partition Pruning
- 10 Dynamic File Pruning
- 11 Delta Log
- 12 Delta Data Skipping
- 13 Bounding Box
- 14 Data Set
- 15 Zorder Data
- 16 Zorder by
- 17 Measuring File Pruning Effectiveness
- 18 Which columns to use
- 19 Geohash
- 20 Getchas
- 21 Repartition by Range
- 22 Review Pipeline
- 23 Review Results
