Solution

[Vadym23-11]

No description provided.

[mateacademy-ai-mentor]

Review Summary

I am requesting changes because there is a likely schema mismatch that can cause your script to fail at runtime. In task.sql, you insert into OrderItems (OrderID, ProductID, Count), but the task description documents OrderItems as having only ID, OrderID, and ProductID, with no Count column; if the actual table matches that description, this insert will produce an error and block task completion. This is a critical, blocking issue because the script would not run successfully against the provided database.

The main issue to fix is:

• Verify the OrderItems table definition in create-database.sql and the task description. If Count is not a column there, adjust your INSERT statement (currently around the line where you do INSERT INTO OrderItems (OrderID, ProductID, Count) VALUES (...)) so it matches the real schema and still satisfies the requirement that quantity is represented correctly. Alternatively, if you’re meant to add a Count column, make sure the schema is updated consistently across create-database.sql and any related scripts.

Minor improvements (not blockers): remove the stray backticks after COMMIT; to avoid syntax confusion, and consider using the example date from the task (2023-01-01) to align more closely with the documentation. Overall, your transaction logic and handling of order creation and stock updates are solid; once you align the OrderItems insert with the actual schema, your solution should fully meet the requirements.

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[mateacademy-ai-mentor]

According to the task description, OrderItems is documented as having columns ID, OrderID, and ProductID. Adding Count to the column list will fail if the table schema doesn’t include this column; verify the create-database.sql and align this insert with the actual table definition used by the task.

[k5sha]

Looks good to me, keep it up! 😎