fresh_wolf_5905
Exemplar
Top 2.7%
Member Nº 3918
Joined Aug 2026
SQL
Multiple WINDOWs
Common Table Expressions
Storage Optimization
Python
Scope
Modules
Tuples
Spark
Higher-Order Functions
Multiple Windows
Exploding Arrays
Data Modeling
Metric Additivity
Indexing
Surrogate Keys
Solved
Python0
Data Modeling0
Milestones
First milestone at 10 problems solved.
876 runs in the past 26 weeksActive days: 22 · Max streak: 4
MayJunJulAugSepOct
Recent solves
Relationships
Data Modeling · medium · lesson
Relationships
Data Modeling · medium · lesson
Relationships, Complex Patterns Challenge 2
Data Modeling · medium · lesson
Relationships, Complex Patterns Challenge 1
Data Modeling · medium · lesson
Relationships, Self-Referential Tables Challenge 2
Data Modeling · medium · lesson
Relationships, Self-Referential Tables Challenge 1
Data Modeling · medium · lesson
Relationships, Required vs Optional Challenge 2
Data Modeling · medium · lesson
Relationships, Required vs Optional Challenge 1
Data Modeling · medium · lesson
Relationships, Cardinality Explained Challenge 2
Data Modeling · medium · lesson
Relationships, Cardinality Explained Challenge 1
Data Modeling · medium · lesson