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sharp_zenith_9156

Rank #82
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Member Nº 1821
Joined Jun 2026
SQLPYSPKDMPA
SQL
Multiple WINDOWs
Storage Optimization
Ranking
Python
Variables
Arithmetic
Spark
Multiple Windows
Distribution Functions
Exploding Arrays
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Solved
4SOLVED
SQL4
Python0
Spark0
Data Modeling0
Milestones
Top 100
7-day streak
946 runs in the past 26 weeksActive days: 28 · Max streak: 14
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Recent solves
Number cloud costs within each provider-region combination (compound partition key) by bill_date
SQL · medium · lesson
6 weeks ago
Divide cloud costs into 4 quartiles within each provider
SQL · medium · lesson
6 weeks ago
For each transaction, show the user's total number of transactions and their total spending across a
SQL · medium · lesson
6 weeks ago
For each transaction, show the previous transaction amount for the same user (ordered by transaction
SQL · medium · lesson
6 weeks ago
The DAG the scheduler orders: top categories by units
Spark · hard · lesson
2 months ago
Average price of top-rated products
Spark · medium · lesson
2 months ago
Units per category from a join
Spark · medium · lesson
2 months ago
Total unit price for higher-quantity lines
Spark · medium · lesson
2 months ago
Units sold per product
Spark · medium · lesson
2 months ago
Revenue per category, in-stock only
Spark · medium · lesson
2 months ago

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