lanky_lemur_5402
Exemplar
Top 2.6%
Member Nº 2681
Joined Jul 2026
SQL
Common Table Expressions
Window Frames
Correlated Subquery
Spark
Salting Strategy
Cost Optimization
Shuffle Optimization
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Pipeline Architecture
Kappa Architecture
Dependency Management
Table Formats
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Top 100
Steward
Top 1% SQL
50 solved
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1,526 runs in the past 26 weeksActive days: 5 · Max streak: 3
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Recent solves
Live Viewers, Live Billing
Pipeline Architecture · hard
The Clicks We Throw Away
Pipeline Architecture · hard
The Spark Deep Dive: Intermediate
Pipeline Architecture · medium · lesson
The Storage Question: Intermediate
Pipeline Architecture · medium · lesson
Design a Pipeline: Intermediate
Pipeline Architecture · medium · lesson
Design a Pipeline: Intermediate
Pipeline Architecture · medium · lesson
Design a Pipeline: Intermediate
Pipeline Architecture · medium · lesson
The Final Sale
SQL · medium
Two Sides of the Ledger
SQL · hard
The Weight of a Click
SQL · hard