maurice
Warden
Top 7.8%
Member Nº 3172
Joined Jul 2026
SQL
Conditional Aggregation
Date Formatting
Scalar Subquery
Python
Iteration
Frequency Counting
Dict Methods
Spark
Window Deduplication
Multiple Windows
Inequality Joins
Data Modeling
Metric Additivity
Pipeline Architecture
Data Lake Architecture
Medallion Architecture
Solved
SQL32
Python2
Spark2
Data Modeling0
Pipeline Architecture0
Milestones
Top 4% SQL
Hire verdict
10 solved
Solution author
590 runs in the past 26 weeksActive days: 14 · Max streak: 5
MarAprMayJunJulAugSep
Recent solves
Mentorship User Pairs
SQL · medium
Tokens With Non-Read Scope Prefix
SQL · medium
Session Logins Dec 13 to 19
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Average Watch Time by Format
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Engagement by Content Type
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The Long Climb
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The Heavy Lifters
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The Parentheses Factory
Python · medium
The First Encounter
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Engagement Gap
SQL · medium