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avid_walrus_2955

Rank #191
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Warden
Top 7.8%
Member Nº 4628
Joined Aug 2026
SQLPYSPKDMPA
Python
List Comprehension
Ternary Expression
Tuples
Spark
Distributed Primitives
Spark Execution Model
Learned
102LEARNED
Python84
Spark18
Milestones
7-day streak
375 runs in the past 26 weeksActive days: 13 · Max streak: 8
MarAprMayJunJulAugSep
Recent solves
Few keys, few tasks: total view time per device
Spark · medium · lesson
3 days ago
Two shuffles, two barriers: revenue per region
Spark · medium · lesson
3 days ago
One barrier on a single table: profit per region
Spark · medium · lesson
3 days ago
Decompose the stages: line count per order
Spark · medium · lesson
3 days ago
A job in three stages: distinct orders per category
Spark · medium · lesson
3 days ago
Capstone: top categories by units sold
Spark · easy · lesson
4 days ago
Capstone: revenue by order region
Spark · easy · lesson
4 days ago
Capstone: total profit by order status
Spark · easy · lesson
4 days ago
Units sold for in-stock products, per category
Spark · easy · lesson
4 days ago
Average quantity per line, by category
Spark · easy · lesson
4 days ago

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