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anjali-deshpande-hub
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Nov 15, 2025
anjali-deshpande-hub
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Very well done! 68/70
Just one observation -
Section 3: Delete: The requirement is to delete the older record for the product added.
You can use MIN(snapshot_timestamp) function. Using the WITH clause and MIN function, identify the earliest snapshot for the product_id and then delete the row that matches that product_id and timestamp.
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What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)
Changed markdown file. Added pdf file ERD_hw2.pdf to show the relationship diagrams between tables of interest. Added assignment2.sql file
What did you learn from the changes you have made?
Worked on coalesce, windowed functions, and string manipulation.
Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?
Were there any challenges? If so, what issue(s) did you face? How did you overcome it?
I especially have a hard time while doing cross-join. I used help from chatGPT very frequently.
How were these changes tested?
I tested them on DB browser
A reference to a related issue in your repository (if applicable)
Checklist