hardy_brook_5019
Exemplar
Top 2.7%
Member Nº 3186
Joined Jul 2026
SQL
Common Table Expressions
Approximate Aggregates
Self-Join
Spark
Inequality Joins
Exploding Arrays
Regex Functions
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Solved
Milestones
7-day streak
872 runs in the past 26 weeksActive days: 14 · Max streak: 13
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Recent solves
Dates: Intermediate, DATE_DIFF() Challenge 3
SQL · medium · lesson
Dates: Intermediate, DATE_DIFF() Challenge 2
SQL · medium · lesson
Dates: Intermediate, Date Part Constants Challenge 4
SQL · medium · lesson
Dates: Intermediate, Date Part Constants Challenge 2
SQL · medium · lesson
Dates: Intermediate, EXTRACT() Challenge 5
SQL · medium · lesson
Dates: Intermediate, EXTRACT() Challenge 4
SQL · medium · lesson
Dates: Intermediate, EXTRACT() Challenge 1
SQL · medium · lesson
String Functions: Intermediate
SQL · medium · lesson
String Functions: Intermediate
SQL · medium · lesson
String Functions: Intermediate
SQL · medium · lesson