panda_singh
Exemplar
Top 2.7%
Member Nº 0705
Joined May 2026
SQL
Multiple WINDOWs
Storage Optimization
Window Frames
Python
Tuples
Modules
Iteration
Spark
Window Frames
Window Deduplication
Higher-Order Functions
Data Modeling
Dimension Tables
SCD Type 2
Surrogate Keys
Pipeline Architecture
SCD in Pipelines
Solved
Pipeline Architecture0
Milestones
Top 100
Top 2% SQL
Founder
50 solved
Hire verdict
30 active days
948 runs in the past 26 weeksActive days: 71 · Max streak: 15
MayJunJulAugSepOct
Recent solves
Read the Plan
Spark · easy
Metric Value Quarter Complement
SQL · easy
Change Tracking
Data Modeling · medium · lesson
Change Tracking, Choosing Your Strategy Challenge 1
Data Modeling · medium · lesson
Change Tracking, Type 3: Keep Previous Value Challenge 2
Data Modeling · medium · lesson
Change Tracking, Type 3: Keep Previous Value Challenge 1
Data Modeling · medium · lesson
Change Tracking, Type 2: Preserve Full History Challenge 2
Data Modeling · medium · lesson
Threshold Filter
Python · medium
Change Tracking, Type 2: Preserve Full History Challenge 1
Data Modeling · medium · lesson
Change Tracking, Type 1: Overwrite Old Value Challenge 2
Data Modeling · medium · lesson