simple_snail_9819
Exemplar
Top 2.7%
Member Nº 2073
Joined Jun 2026
SQL
Window Deduplication
Storage Optimization
Self-Join
Python
Recursion
Lambda
Collections
Spark
Multiple Windows
Catalyst Optimizer
Window Frames
Data Modeling
Constraints
Primary Keys
Data Types
Solved
Data Modeling0
Milestones
Steward
Top 5% Python
Strong Hire
10 solved
7-day streak
623 runs in the past 26 weeksActive days: 14 · Max streak: 7
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Recent solves
Anti-Join: Beginner
SQL · medium · lesson
Self-Join: Beginner
SQL · easy · lesson
Running Totals: Beginner
SQL · medium · lesson
Running Totals: Beginner
SQL · easy · lesson
Heap & Top-K: Beginner
Python · medium · lesson
Custom Sorting: Beginner
Python · medium · lesson
Heap & Top-K: Beginner
Python · medium · lesson
Ad Revenue 2026
SQL · easy
Top N Per Group: Beginner
SQL · easy · lesson
Top N Per Group: Beginner
SQL · easy · lesson