golden_kite_8858
Exemplar
Top 2.7%
Member Nº 4591
Joined Aug 2026
SQL
Common Table Expressions
Correlated Subquery
Self-Join
Python
Context Managers
File Context Manager
Guard Clauses
Spark
Window Deduplication
Catalyst Optimizer
Window Frames
Data Modeling
3NF
Grain Definition
Surrogate Keys
Pipeline Architecture
Late-Arriving Data
Event Streaming Platforms
Event-Driven Architecture
Solved
Data Modeling0
Milestones
Steward ×2
Hire verdict
10 solved
229 runs in the past 26 weeksActive days: 10 · Max streak: 4
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Recent solves
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Normalization, First Normal Form (1NF) Challenge 1
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