minted_vertex_6294
Exemplar
Top 2.6%
Member Nº 3714
Joined Jul 2026
SQL
Common Table Expressions
Window Deduplication
Multiple WINDOWs
Python
Two-Pointer
Frequency Counting
List Comprehension
Spark
Window Frames
Window Deduplication
First & Last Values
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Solved
Spark0
Milestones
Top 1% SQL
Top 10% Python
50 solved
957 runs in the past 26 weeksActive days: 7 · Max streak: 3
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Recent solves
Lazy Evaluation: Intermediate, The DAG as a Graph Challenge 1
Spark · medium · lesson
Lazy Evaluation: Intermediate
Spark · medium · lesson
Lazy Evaluation: Intermediate, Pipelining Narrow Operations Challenge 1
Spark · medium · lesson
Execution Model: Intermediate, Where the Driver Lives Challenge 2
Spark · medium · lesson
Execution Model: Intermediate, Where the Driver Lives Challenge 1
Spark · medium · lesson
Execution Model: Intermediate, Reading Parallelism Challenge 2
Spark · medium · lesson
Execution Model: Intermediate, Reading Parallelism Challenge 1
Spark · medium · lesson
Execution Model: Intermediate, Why Stages Exist Challenge 2
Spark · medium · lesson
Execution Model: Intermediate, Why Stages Exist Challenge 1
Spark · medium · lesson
Execution Model: Intermediate, Job, Stage, Task Challenge 1
Spark · medium · lesson