10. Top 2 Products per Category
MediumRankingROW_NUMBERPARTITION BYtop-N-per-group
The "top N per group" pattern: rank rows within each group, then keep the ones at or below N.
Task: return the two highest-revenue products in each category. Columns:
category, product, revenue. Order by category, then revenue
descending.
Tables
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Expected outputrows must come back in this order
Computing expected output…
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