vlasted
Exemplar
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Member Nº 5045
Joined Oct 2026
SQL
Type Casting
String Building
Ranking
Python
Modules
Tuples
Lists
Spark
Window Deduplication
Inequality Joins
Exploding Arrays
Data Modeling
Metric Additivity
Indexing
Constraints
Pipeline Architecture
Late-Arriving Data
Medallion Architecture
Deduplication Strategies
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Python0
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Recent solves
Query Structure: Intermediate, Query Execution Order Challenge 2
SQL · medium · lesson
Query Structure: Intermediate, Query Execution Order Challenge 1
SQL · medium · lesson
Query Structure: Intermediate, CTEs (WITH clause) Challenge 3
SQL · easy · lesson
Query Structure: Intermediate, CTEs (WITH clause) Challenge 2
SQL · medium · lesson
Query Structure: Intermediate, CTEs (WITH clause) Challenge 1
SQL · medium · lesson
Python Expressions: Beginner, Data Types and Strings Challenge 5
Python · easy · lesson
Python Expressions: Beginner, Data Types and Strings Challenge 4
Python · easy · lesson
Python Expressions: Beginner, Assignment vs. Equality Challenge 2
Python · easy · lesson
Python Expressions: Beginner, Assignment vs. Equality Challenge 1
Python · medium · lesson
Python Expressions: Beginner, Assignment vs. Equality Challenge 3
Python · easy · lesson