white_rabbit_snowball
Exemplar
Top 2.7%
Member Nº 4381
Joined Aug 2026
SQL
Row Numbering
Ranking
Window Deduplication
Python
Modules
Tuples
Iteration
Spark
Window Deduplication
First & Last Values
Multiple Windows
Data Modeling
Metric Additivity
Indexing
Constraints
Pipeline Architecture
Batch vs Streaming
Solved
Pipeline Architecture0
Milestones
Top 10% SQL
10 solved
635 runs in the past 26 weeksActive days: 12 · Max streak: 3
MayJunJulAugSepOct
Recent solves
Window Functions: Beginner
SQL · medium · lesson
Window Functions: Beginner
SQL · medium · lesson
Window Functions: Beginner
SQL · medium · lesson
Window Functions: Beginner, SUM/COUNT/AVG OVER Challenge 3
SQL · medium · lesson
Window Functions: Beginner, SUM/COUNT/AVG OVER Challenge 2
SQL · medium · lesson
Window Functions: Beginner, SUM/COUNT/AVG OVER Challenge 1
SQL · medium · lesson
Window Functions: Beginner, SUM/COUNT/AVG OVER Challenge 4
SQL · easy · lesson
Window Functions: Beginner, RANK and DENSE_RANK Challenge 3
SQL · medium · lesson
Window Functions: Beginner, RANK and DENSE_RANK Challenge 2
SQL · medium · lesson
Window Functions: Beginner, RANK and DENSE_RANK Challenge 1
SQL · medium · lesson