solution

[b1mb4]

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[mateacademy-ai-mentor]

Review Summary

I am requesting changes because your SQL script currently violates a core requirement of the task and blocks execution in a clean environment. The assignment explicitly requires that you drop and recreate the ShopDB database before using it, but your task.sql starts with USE ShopDB; and assumes the database already exists, which causes ERROR 1049 (42000): Unknown database 'ShopDB' when run on a fresh setup.

Critical issue to fix (blocker):

• At the very top of task.sql (before USE ShopDB;), add database lifecycle statements such as:
  • DROP DATABASE IF EXISTS ShopDB;
  • CREATE DATABASE ShopDB;
  • then keep USE ShopDB; as you already have.
    This directly addresses the requirement to recreate ShopDB and ensures the script works both when the database is missing and when old schemas exist.

Aside from this, your normalization work is strong: you have clearly separated Countries, Products, Warehouses, and the ProductInventory junction table with quantities, and your INSERTs correctly reproduce the intended data in 3NF. Once you add the DROP DATABASE/CREATE DATABASE statements to satisfy the checklist and remove the execution blocker, your solution will fully meet the task requirements.

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[mateacademy-ai-mentor]

Per the task description and checklist, you should drop and recreate the ShopDB database before using it (e.g., DROP DATABASE IF EXISTS ShopDB; followed by CREATE DATABASE ShopDB;) so this script works in a clean environment and doesn’t rely on the database already existing.

[linubah]

LGTM