blueblueblue
Data Engineers are Internet Plumbers
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Top 0.9%
Member Nº 3880
Joined Aug 2026
SQL
Date Formatting
Timestamp Types
Outer Joins
Python
Type Hints
Dict Methods
Splitting & Joining
Spark
Higher-Order Functions
Exploding Arrays
Regex Functions
Data Modeling
Metric Additivity
Solved
Milestones
Top 100
Top 1% SQL
Top 1% Python
100 solved
30 active days
7-day streak
1,195 runs in the past 26 weeksActive days: 41 · Max streak: 14
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Recent solves
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Into One Stream
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