whole_surf_7437

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Member Nº 1083

Joined May 2026

SQL

Recursive Queries

Row Offsets

Cumulative Distribution

Python

Modules

Tuples

Strings

Spark

Higher-Order Functions

Multiple Windows

Collecting Values

Data Modeling

Metric Additivity

Indexing

Learned

SQL217

Data Modeling40

Python7

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Recent solves

Window Functions: Advanced, Cumulative Distribution Challenge 6

SQL · medium · lesson

Window Functions: Advanced, Cumulative Distribution Challenge 4

SQL · medium · lesson

Window Functions: Advanced, Cumulative Distribution Challenge 1

SQL · medium · lesson

Window Functions: Advanced, Cumulative Distribution Challenge 7

SQL · hard · lesson

Window Functions: Advanced, Windows and Partitioning Challenge 4

SQL · medium · lesson

Window Functions: Advanced, Windows and Partitioning Challenge 1

SQL · medium · lesson

Window Functions: Advanced, Windows and Partitioning Challenge 5

SQL · hard · lesson

Window Functions: Advanced, Windows vs Self-Joins Challenge 5

SQL · hard · lesson

Window Functions: Advanced, Windows vs Self-Joins Challenge 4

SQL · medium · lesson

Window Functions: Advanced, Windows vs Self-Joins Challenge 2

SQL · medium · lesson