bonny_toucan_2077
Exemplar
Top 2.7%
Member Nº 3981
Joined Aug 2026
SQL
Multiple WINDOWs
Common Table Expressions
Storage Optimization
Python
Splitting & Joining
Copying Lists
Exception Types
Spark
Catalyst Optimizer
Data Skew
Distributed Primitives
Data Modeling
Metric Additivity
Immutable Logs
Grain Definition
Pipeline Architecture
Lambda Architecture
Micro-Batch vs True Streaming
Event Streaming Platforms
Solved
Milestones
Top 2% Data Modeling
Top 5% Python
Top 6% SQL
50 solved
All 5 domains
7-day streak
507 runs in the past 26 weeksActive days: 18 · Max streak: 10
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Recent solves
User 360
SQL · hard
Fault Lines
SQL · medium
The Weight of Giants
SQL · medium
The Cannibalization Report
SQL · hard
The Shape of a User
SQL · medium
Top Percentile Spenders
SQL · medium
Normalization Tradeoffs in Practice
SQL · hard
Reverse Field
Python · easy
Views by Content Type
SQL · medium
Tokens With Non-Read Scope Prefix
SQL · medium