wild_birch_3509
Exemplar
Top 2.2%
Member Nº 1699
Joined Jun 2026
SQL
Common Table Expressions
Storage Optimization
Self-Join
Python
Guard Clauses
Functions
Generators
Spark
Shuffle Optimization
Data Skew
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Pipeline Architecture
SCD in Pipelines
Late-Arriving Data
Backfill Patterns
Solved
SQL17
Python5
Spark4
Pipeline Architecture0
Milestones
Top 10% SQL
10 Hire verdicts
10 solved
285 runs in the past 26 weeksActive days: 28 · Max streak: 5
MarAprMayJunJulAugSep
Recent solves
DQ Score Spread
SQL · medium
Power Users by Session Activity
SQL · medium
Spending by Account Status
SQL · medium
First Light
SQL · medium
Yesterday's Crown
SQL · hard
The Window Cleaner
Python · medium
The Rolling Peak
Python · medium
The Forward Fill
Python · easy
The Long Run
Python · easy
The Freshest Record
SQL · medium