ducdtran

Rank #88
DataDrivenDataDriven
Exemplar
Top 2.2%
Member Nº 3353
Joined Jul 2026
dwctranDucDTran
SQLPYSPKDMPA
SQL
Window Deduplication
Common Table Expressions
Storage Optimization
Python
Sliding Window
Stack & Queue
Decorators
Spark
Window Frames
Window Deduplication
First & Last Values
Data Modeling
Metric Additivity
Constraints
Solved
85SOLVED
SQL85
Python0
Milestones
Top 100
Top 1% SQL
50 solved
800 runs in the past 26 weeksActive days: 21 · Max streak: 6
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Recent solves