peak_birch_2470
Savant
Top 0.9%
Member Nº 0035
Joined Apr 2026
SQL
Window Deduplication
Multiple WINDOWs
Common Table Expressions
Python
Lambda
Generators
Modules
Spark
Window Frames
Window Deduplication
Higher-Order Functions
Data Modeling
Metric Additivity
Indexing
Constraints
Pipeline Architecture
Medallion Architecture
Backfill Patterns
Full vs Incremental Load
Solved
Pipeline Architecture0
Milestones
Top 100
Steward ×3
Top 2% SQL
Top 4% Python
Founder
50 solved
978 runs in the past 26 weeksActive days: 32 · Max streak: 9
MayJunJulAugSepOct
Recent solves
Control Flow: Advanced, De Morgan's Laws Challenge 1
Python · medium · lesson
Control Flow: Advanced, De Morgan's Laws Challenge 3
Python · medium · lesson
Control Flow: Advanced, Removing Redundant Conditions Challenge 2
Python · easy · lesson
Control Flow: Advanced, Removing Redundant Conditions Challenge 1
Python · medium · lesson
Control Flow: Advanced, Removing Redundant Conditions Challenge 3
Python · medium · lesson
The Column Transformer
Python · easy
Aggregating: Beginner
SQL · medium · lesson
Aggregating: Beginner
SQL · medium · lesson
Aggregating: Beginner
SQL · medium · lesson
Aggregating: Beginner, HAVING for filtered groups Challenge 3
SQL · easy · lesson