whole_wave_3488
Exemplar
Top 2.7%
Member Nº 4701
Joined Aug 2026
SQL
Self-Join
Multiple WINDOWs
Scalar Subquery
Python
Context Managers
String Formatting
File Context Manager
Spark
Window Deduplication
Multiple Windows
Exploding Arrays
Data Modeling
Metric Additivity
Indexing
Constraints
Solved
Milestones
50 solutions
Top 1% SQL
100 solved
First interview
1,019 runs in the past 26 weeksActive days: 10 · Max streak: 3
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Recent solves
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SQL · medium
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SQL · hard
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SQL · easy
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SQL · easy
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SQL · medium
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SQL · easy
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SQL · easy