focal_wave_3086
Exemplar
Top 2.7%
Member Nº 1649
Joined Jun 2026
SQL
Common Table Expressions
Self-Join
Inequality Joins
Python
Context Managers
Recursion
File Context Manager
Spark
Window Frames
Multiple Windows
Inequality Joins
Data Modeling
Metric Additivity
Indexing
Constraints
Pipeline Architecture
SCD in Pipelines
Solved
Data Modeling0
Milestones
Top 4% SQL
Top 4% Python
50 solved
Hire verdict
30 active days
Solution author
379 runs in the past 26 weeksActive days: 32 · Max streak: 4
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