super_coral_2702
Savant
Top 0.9%
Joined Sep 2026
SQL
Common Table Expressions
Timezones
Null Substitution
Python
Dict Methods
Modules
Collections
Spark
Window Frames
Window Deduplication
Higher-Order Functions
Data Modeling
Metric Additivity
Grain Definition
Denormalization
Pipeline Architecture
Table Formats
Late-Arriving Data
Data Lake Architecture
Learned
SQL200
Python111
Data Modeling85
Pipeline Architecture74
Milestones
Top 100
7-day streak
1,205 runs in the past 26 weeksActive days: 28 · Max streak: 25
MayJunJulAugSepOct
Recent solves
Complex Data: Beginner, Maps in SQL Challenge 2
SQL · easy · lesson
Complex Data: Beginner, Maps in SQL Challenge 1
SQL · easy · lesson
Complex Data: Beginner, Arrays in SQL Challenge 3
SQL · easy · lesson
Complex Data: Beginner, Arrays in SQL Challenge 2
SQL · easy · lesson
Complex Data: Beginner, Arrays in SQL Challenge 1
SQL · easy · lesson
Complex Data: Beginner, Arrays in SQL Challenge 5
SQL · easy · lesson
Complex Data: Beginner, JSON Extraction Patterns Challenge 2
SQL · easy · lesson
Complex Data: Beginner, JSON Extraction Patterns Challenge 1
SQL · easy · lesson
Complex Data: Beginner, JSON Extraction Patterns Challenge 3
SQL · easy · lesson
Complex Data: Beginner, JSON_EXTRACT() Challenge 4
SQL · easy · lesson