supermomo
Warden
Top 8.2%
Member Nº 4084
Joined Aug 2026
SQL
Window Deduplication
Common Table Expressions
Storage Optimization
Python
Modules
Iteration
Boolean Operators
Spark
Spark Execution Model
Data Modeling
Metric Additivity
Solved
Spark0
Milestones
Weekly bronze
692 runs in the past 26 weeksActive days: 11 · Max streak: 4
AprMayJunJulAugSepOct
Recent solves
Running Totals: Beginner
SQL · easy · lesson
Running Totals: Beginner
SQL · easy · lesson
Transaction Source Features
SQL · easy
Execution Model: Intermediate, Job, Stage, Task Challenge 2
Spark · medium · lesson
Execution Model: Intermediate, Job, Stage, Task Challenge 1
Spark · medium · lesson
Quality Gate
Python · easy
10 Lowest Uptime Services
SQL · medium
Bronze Medal
SQL · easy
Joins: Beginner
SQL · medium · lesson
Joins: Beginner
SQL · medium · lesson