added a fix based on the AI recommendation

task.sql

@@ -2,38 +2,38 @@ CREATE DATABASE ShopDB;
 USE ShopDB;
 
 CREATE TABLE Countries (
-  ID INT,
+  ID INT AUTO_INCREMENT,
   Name VARCHAR(50),
 
   PRIMARY KEY (ID)
 );
 
 CREATE TABLE Warehouses (
-  ID INT,
+  ID INT AUTO_INCREMENT,
   Name VARCHAR(50),
   Address VARCHAR(50),
   CountryID INT,
 
   PRIMARY KEY (ID),
-  FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION
+  FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE CASCADE
 );
 
 CREATE TABLE Products (
-  ID INT,
+  ID INT AUTO_INCREMENT,
   Name VARCHAR(50),
 
   PRIMARY KEY (ID)
 );
 
 CREATE TABLE ProductInventory (
-  ID INT,
+  ID INT AUTO_INCREMENT,
   ProductID INT,
   Amount INT,
   WarehouseID INT,
 
   PRIMARY KEY (ID),
-  FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE NO ACTION,
-  FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID) ON DELETE NO ACTION
+  FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE CASCADE,
+  FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID) ON DELETE CASCADE
 );
 
 INSERT INTO Countries (ID, Name)