wiseman
Savant
Top 0.9%
Member Nº 4983
Joined Sep 2026
SQL
Aggregate Window Fns
Window Deduplication
Window Partitioning
Python
String Methods
Dict Methods
Modules
Spark
Window Deduplication
Multiple Windows
Inequality Joins
Data Modeling
Metric Additivity
Indexing
One-to-Many
Pipeline Architecture
Late-Arriving Data
Event Streaming Platforms
Event-Driven Architecture
Solved
Data Modeling0
Milestones
Top 100
10 solved
Solution author
7-day streak
892 runs in the past 26 weeksActive days: 19 · Max streak: 19
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Recent solves
Collections: Beginner, abs() for Absolutes Challenge 2
Python · medium · lesson
Collections: Beginner, abs() for Absolutes Challenge 1
Python · medium · lesson
Collections: Beginner, abs() for Absolutes Challenge 3
Python · easy · lesson
Collections: Beginner, Using min, max, sum Challenge 2
Python · medium · lesson
Collections: Beginner, Using min, max, sum Challenge 1
Python · medium · lesson
Collections: Beginner, Using min, max, sum Challenge 4
Python · easy · lesson
Collections: Beginner, Using min, max, sum Challenge 3
Python · easy · lesson
Collections: Beginner, Creating Tuples Challenge 3
Python · easy · lesson
Collections: Beginner, Tuple Unpacking Challenge 3
Python · medium · lesson
Collections: Beginner, Tuple Unpacking Challenge 2
Python · medium · lesson