mossy_quail_9885
Warden
Top 7.8%
Member Nº 1543
Joined Jun 2026
SQL
Window Deduplication
Common Table Expressions
Storage Optimization
Python
Collections
Frequency Counting
Functions
Spark
Window Frames
Window Deduplication
First & Last Values
Data Modeling
Self-Referential
Junction Tables
Grain Definition
Pipeline Architecture
SCD in Pipelines
Micro-Batch vs True Streaming
Medallion Architecture
Solved
SQL21
Python13
Pipeline Architecture0
Milestones
Top 7% SQL
Hire verdict
10 solved
254 runs in the past 26 weeksActive days: 13 · Max streak: 6
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