green_stoat_3919

Exemplar

Top 2.7%

Joined Sep 2026

SQL

Window Deduplication

Common Table Expressions

Type Casting

Python

Modules

Tuples

Iteration

Spark

Window Deduplication

Inequality Joins

Time Zones

Data Modeling

Metric Additivity

Indexing

Constraints

Learned

SQL269

Milestones

Top 100

884 runs in the past 26 weeksActive days: 16 · Max streak: 6

MayJunJulAugSepOct

Recent solves

Dates: Intermediate

SQL · medium · lesson

Dates: Intermediate

SQL · medium · lesson

Dates: Intermediate

SQL · medium · lesson

Dates: Intermediate, Grouping by Time Parts Challenge 2

SQL · medium · lesson

Dates: Intermediate, Grouping by Time Parts Challenge 1

SQL · medium · lesson

Dates: Intermediate, Grouping by Time Parts Challenge 3

SQL · easy · lesson

Dates: Intermediate, Unix Time Conversion Challenge 4

SQL · medium · lesson

Dates: Intermediate, Unix Time Conversion Challenge 2

SQL · medium · lesson

Dates: Intermediate, Unix Time Conversion Challenge 1

SQL · medium · lesson

Dates: Intermediate, Unix Time Conversion Challenge 3

SQL · medium · lesson