silent_lamb_9390
Exemplar
Top 2.2%
Member Nº 2467
Joined Jun 2026
SQL
Correlated Subquery
Common Table Expressions
Self-Join
Python
Dict Methods
Functions
Dictionaries
Spark
Multiple Windows
Inequality Joins
Exploding Arrays
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Pipeline Architecture
Partitioning Strategies
Small File Problem
Solved
SQL12
Python7
Spark4
Milestones
Top 100
Strong Hire
10 solved
55 runs in the past 26 weeksActive days: 13 · Max streak: 3
MarAprMayJunJulAugSep
Recent solves
The Deep Config
Python · medium
Let AQE Handle It
Spark · medium
Too Many Small Files
Spark · easy
The Cache That Ate the Cluster
Spark · medium
Read the Plan
Spark · easy
Biggest Deployment Decline
SQL · medium
Where They Part
Python · hard
The Shifting Standard
Python · medium
Users Who Churned in February
SQL · hard
Average Review Comments by Author
SQL · medium