deep_marsh_9030
Warden
Top 8.2%
Member Nº 1608
Joined Jun 2026
SQL
Common Table Expressions
Inequality Joins
Storage Optimization
Python
Modules
Splitting & Joining
Strings
Spark
Window Deduplication
Multiple Windows
Inequality Joins
Data Modeling
Metric Additivity
Solved
Milestones
Hire verdict
30 active days
10 solved
260 runs in the past 26 weeksActive days: 33 · Max streak: 4
AprMayJunJulAugSepOct
Recent solves
Users With Purchase Events
SQL · easy
Double or Nothing
SQL · medium
App Stability by Region
SQL · medium
The Path Not Taken
SQL · hard
Spending Velocity
SQL · medium
First Contact
SQL · medium
The Gap Between Neighbors
SQL · hard
Ghost Products
SQL · medium
Long Messages
SQL · medium
Fault Lines
SQL · medium