civic_moose_6055
Exemplar
Top 2.6%
Member Nº 1862
Joined Jun 2026
SQL
Correlated Subquery
Scalar Subquery
Common Table Expressions
Python
String Formatting
Modules
Tuples
Spark
Inequality Joins
Regex Functions
Catalyst Optimizer
Data Modeling
Metric Additivity
Solved
Data Modeling0
Milestones
Top 100
Top 7% SQL
10 solved
1,221 runs in the past 26 weeksActive days: 23 · Max streak: 4
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Recent solves
Sirens and Smoke
SQL · easy
The Full Picture
SQL · easy
Top Deployed Model
SQL · easy
Filtering: Advanced, Correlated subqueries (EXISTS) Challenge 6
SQL · medium · lesson
Filtering: Advanced, Correlated subqueries (EXISTS) Challenge 2
SQL · medium · lesson
Filtering: Advanced, Correlated subqueries (EXISTS) Challenge 3
SQL · medium · lesson
Filtering: Advanced, Correlated subqueries (EXISTS) Challenge 7
SQL · hard · lesson
Filtering: Intermediate, OR and CASE expressions Challenge 5
SQL · medium · lesson
Filtering: Intermediate, Operator precedence Challenge 5
SQL · medium · lesson
Filtering: Intermediate, LIKE for pattern matching Challenge 5
SQL · medium · lesson