fast_field_5071

Exemplar

Top 2.6%

Joined Oct 2026

SQL

Common Table Expressions

Storage Optimization

Approximate Aggregates

Python

Modules

Tuples

Strings

Spark

Window Deduplication

Exploding Arrays

Regex Functions

Data Modeling

Metric Additivity

Indexing

Constraints

Learned

SQL264

Milestones

Top 100

856 runs in the past 26 weeksActive days: 9 · Max streak: 4

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Recent solves

Dates: Beginner, DATE_DIFF() Challenge 3

SQL · easy · lesson

String Functions: Intermediate, SUBSTRING() Challenge 3

SQL · medium · lesson

String Functions: Intermediate

SQL · medium · lesson

String Functions: Intermediate

SQL · medium · lesson

String Functions: Intermediate

SQL · medium · lesson

String Functions: Intermediate, TRIM() Challenge 4

SQL · easy · lesson

String Functions: Intermediate, TRIM() Challenge 2

SQL · medium · lesson

String Functions: Intermediate, TRIM() Challenge 1

SQL · easy · lesson

String Functions: Intermediate, TRIM() Challenge 3

SQL · medium · lesson

String Functions: Intermediate, STRPOS() Challenge 2

SQL · medium · lesson