wild_storm_5937
Exemplar
Top 2.7%
Member Nº 3040
Joined Jul 2026
SQL
Correlated Subquery
Common Table Expressions
Array Aggregation
Python
f-strings
Variables
Arithmetic
Spark
Spark Execution Model
Inner Joins
Data Skew
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Pipeline Architecture
Retry & Failure Handling
Learned
SQL171
Spark32
Python12
Pipeline Architecture2
Milestones
7-day streak
1,191 runs in the past 26 weeksActive days: 23 · Max streak: 9
MayJunJulAugSepOct
Recent solves
Execution Model: Advanced
Spark · hard · lesson
Execution Model: Advanced
Spark · hard · lesson
Execution Model: Advanced, Locality and Scheduling Delay Challenge 1
Spark · hard · lesson
Execution Model: Advanced, The Driver as Bottleneck Challenge 1
Spark · hard · lesson
Execution Model: Advanced, Speculative Execution Challenge 1
Spark · hard · lesson
Execution Model: Advanced, Task Failure and Retry Challenge 1
Spark · hard · lesson
Execution Model: Advanced, DAGScheduler vs TaskScheduler Challenge 1
Spark · hard · lesson
Execution Model: Beginner, Driver, Executors, and Tasks Challenge 2
Spark · easy · lesson
Execution Model: Beginner, Driver, Executors, and Tasks Challenge 1
Spark · easy · lesson
Execution Model: Beginner, Partitions and Parallelism Challenge 1
Spark · easy · lesson