kolgor

DataDrivenDataDriven
Savant
Top 0.7%
Warsaw, Poland
Member Nº 3133
Joined Jul 2026
SQLPYSPKDMPA
SQL
Window Deduplication
Multiple WINDOWs
Inequality Joins
Python
Recursion
Two-Pointer
Nested Comprehensions
Spark
Window Deduplication
First & Last Values
Multiple Windows
Data Modeling
Metric Additivity