yogameena
Exemplar
Top 2.2%
Member Nº 3771
Joined Jul 2026
SQL
Storage Optimization
Row Numbering
Ranking
Python
Modules
Tuples
f-strings
Spark
Exploding Arrays
Catalyst Optimizer
Salting Strategy
Data Modeling
Metric Additivity
Indexing
Learned
SQL110
Python41
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840 runs in the past 26 weeksActive days: 16 · Max streak: 6
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Recent solves
From products, return product_id, category, price, and COUNT(*) OVER (PARTITION BY category) as item
SQL · medium · lesson
From products, return product_id, category, price, and the RANK within each category ordered by pric
SQL · medium · lesson
From products, return product_id, category, price, and the row_number within each category ordered b
SQL · medium · lesson
Show each employee metric's department, metric_value, and the overall average metric_value across al
SQL · medium · lesson
Show each user session's session_id, user_id, and the total number of sessions for that user
SQL · medium · lesson
Show each transaction's transaction_date, total_amount, and a running total of total_amount ordered
SQL · medium · lesson
Rank products by price from highest to lowest within each category using DENSE_RANK()
SQL · medium · lesson
Assign a dense rank to products by price from highest to lowest, so tied prices share a rank and the
SQL · medium · lesson
Rank products by their rating from highest to lowest using RANK()
SQL · medium · lesson
Number each transaction within its user, ordered by transaction_date from earliest to latest
SQL · medium · lesson