solution

[b1mb4]

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[mateacademy-ai-mentor]

Review Summary

I am approving your solution because it correctly implements the required flow: you create a new order for customer ID 1 with a fixed date, then within a transaction you insert the corresponding OrderItems record and update Products.WarehouseAmount atomically. This satisfies the key business rule that stock changes and order item creation must succeed or fail together. The only potential risk is the OrderItems schema alignment: your INSERT uses a Count column, so you must ensure that create-database.sql actually defines OrderItems with ID, OrderID, ProductID, and Count (or adjust the column list to match whatever the real column name is). If these names match the canonical schema, your script will run without errors against the provided database. As a minor improvement, you could store the quantity (currently 1) in a variable and reuse it both in the INSERT and the UPDATE so the logic naturally scales to other quantities, like the “5 items” example mentioned in the requirements. Overall, your work meets the functional requirements and demonstrates a good understanding of transactional behavior in this context.

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[mateacademy-ai-mentor]

Double-check the OrderItems table definition in create-database.sql. The task text says OrderItems has ID, OrderID, ProductID (and later mentions Count), so if the actual schema doesn’t include Count or uses a different column name, this insert will fail; align the column list with the real schema.