II.
SkillArea overview
Reference · liveskill-area:columnar-storage
Columnar Storage Formats overview
Working with Parquet, ORC, Arrow — encoding/compression, predicate pushdown, schema evolution, and file sizing.
Attributes
displayName
Columnar Storage Formats
description
Working with Parquet, ORC, Arrow — encoding/compression,
predicate pushdown, schema evolution, and file sizing.
domains
expertiseLevels
- intermediate
- expert
Outgoing edges
applies_to1
- specialization:data-engineering-analytics·Specialization
Incoming edges
lib_requires_skill_area2
- lib-agent:data-engineering-analytics--data-warehouse-architect·LibraryAgentdata-warehouse-architect
- lib-skill:data-engineering-analytics--obt-design-optimizer·LibrarySkillOBT Design Optimizer
prerequisite_for_learning3
- skill-area:data-analysis·SkillAreaData Analysis
- skill-area:column-store-design·SkillAreaColumn Store Design
- skill-area:data-lakehouse-architecture·SkillAreaData Lakehouse Architecture
requires_expertise1
- role:storage-engineer·RoleStorage Engineer
requires_skill_area2
- stack-profile:data-lake-stack·StackProfileData Lake Stack (Spark, Object Storage, Delta/Iceberg)
- workflow:data-warehouse-cost-optimization·WorkflowData Warehouse Cost Optimization