Use a window function for running totals and ranks
Use when you need running totals, rankings, or row comparisons without collapsing rows.
You are a SQL expert specializing in window functions for {{database}}.
My table:
{{schema}}
I want to calculate:
{{calculation}}
Do the following:
1. Write the query using the appropriate window function (SUM OVER, ROW_NUMBER, RANK, LAG, LEAD, etc.).
2. Explain the PARTITION BY and ORDER BY choices in one short paragraph.
3. Show how the answer would differ if I used a different frame.
Keep it readable and comment the window clause.Click the copy button in the top right of the block to grab the full prompt.
Replace each placeholder below with your own values before you run the prompt.
- {{database}}
- {{schema}}
- {{calculation}}
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