From 149619b6c98a01ac6af5d33cfe2b9cdb5287bb61 Mon Sep 17 00:00:00 2001
From: Leonid Lachmann <148564629+leoleiden@users.noreply.github.com>
Date: Mon, 30 Jun 2025 14:20:21 +0300
Subject: [PATCH 1/3] Update task.sql

---
 task.sql | 64 +++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 40 insertions(+), 24 deletions(-)

diff --git a/task.sql b/task.sql
index cc65344..29dd7b5 100644
--- a/task.sql
+++ b/task.sql
@@ -1,33 +1,49 @@
--- Create database and tables
-
+DROP DATABASE IF EXISTS ShopDB;
 CREATE DATABASE ShopDB;
 USE ShopDB;
 
 CREATE TABLE Countries (
-    ID INT,
-    Name VARCHAR(50),
-    PRIMARY KEY (ID)
+  ID INT PRIMARY KEY AUTO_INCREMENT,
+  Name VARCHAR(100) NOT NULL
+);
+
+CREATE TABLE Warehouses (
+  ID INT PRIMARY KEY AUTO_INCREMENT,
+  Name VARCHAR(100) NOT NULL,
+  Address VARCHAR(255) NOT NULL,
+  CountryID INT NOT NULL,
+  FOREIGN KEY (CountryID) REFERENCES Countries(ID)
+);
+
+CREATE TABLE Products (
+  ID INT PRIMARY KEY AUTO_INCREMENT,
+  Name VARCHAR(100) NOT NULL
 );
 
 CREATE TABLE ProductInventory (
-    ID INT,
-    ProductName VARCHAR(50),
-    WarehouseAmount INT,
-    WarehouseName VARCHAR(50),
-    WarehouseAddress VARCHAR(50), 
-    CountryID INT,
-	FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION,
-    PRIMARY KEY (ID)
+  ProductID INT NOT NULL,
+  WarehouseID INT NOT NULL,
+  Amount INT NOT NULL,
+  PRIMARY KEY (ProductID, WarehouseID),
+  FOREIGN KEY (ProductID) REFERENCES Products(ID),
+  FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID)
 );
 
--- Populate test data
-
-INSERT INTO Countries (ID,Name)
-	VALUES (1, 'Country1');
-INSERT INTO Countries (ID,Name)
-	VALUES (2, 'Country2');
-    
-INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseName,WarehouseAddress,CountryID)
-	VALUES (1, 'AwersomeProduct', 2, 'Warehouse-1', 'City-1, Street-1',1);
-INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseName,WarehouseAddress,CountryID)
-	VALUES (2, 'AwersomeProduct', 5, 'Warehouse-2', 'City-2, Street-2',2);
+-- Додавання тестових даних
+INSERT INTO Countries (ID, Name) VALUES 
+(1, 'USA'),
+(2, 'Canada');
+
+INSERT INTO Warehouses (ID, Name, Address, CountryID) VALUES 
+(1, 'Main Warehouse', '1234 Warehouse Ave', 1),
+(2, 'Secondary Warehouse', '5678 Storage St', 2);
+
+INSERT INTO Products (ID, Name) VALUES 
+(1, 'iPhone 13'),
+(2, 'Samsung Galaxy S21');
+
+INSERT INTO ProductInventory (ProductID, WarehouseID, Amount) VALUES 
+(1, 1, 100),
+(2, 1, 50),
+(1, 2, 200),
+(2, 2, 150);

From 76f7814fb7c5517167d1086e289ff7f09bc07b95 Mon Sep 17 00:00:00 2001
From: Leonid Lachmann <148564629+leoleiden@users.noreply.github.com>
Date: Mon, 30 Jun 2025 14:28:18 +0300
Subject: [PATCH 2/3] Update2 task.sql

---
 task.sql | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/task.sql b/task.sql
index 29dd7b5..f380622 100644
--- a/task.sql
+++ b/task.sql
@@ -20,16 +20,17 @@ CREATE TABLE Products (
   Name VARCHAR(100) NOT NULL
 );
 
+-- Оновлена структура ProductInventory з ID
 CREATE TABLE ProductInventory (
+  ID INT PRIMARY KEY AUTO_INCREMENT,
   ProductID INT NOT NULL,
   WarehouseID INT NOT NULL,
   Amount INT NOT NULL,
-  PRIMARY KEY (ProductID, WarehouseID),
   FOREIGN KEY (ProductID) REFERENCES Products(ID),
   FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID)
 );
 
--- Додавання тестових даних
+-- Оновлені INSERT-записи
 INSERT INTO Countries (ID, Name) VALUES 
 (1, 'USA'),
 (2, 'Canada');
@@ -42,8 +43,9 @@ INSERT INTO Products (ID, Name) VALUES
 (1, 'iPhone 13'),
 (2, 'Samsung Galaxy S21');
 
-INSERT INTO ProductInventory (ProductID, WarehouseID, Amount) VALUES 
-(1, 1, 100),
-(2, 1, 50),
-(1, 2, 200),
-(2, 2, 150);
+-- Додаємо ID в INSERT
+INSERT INTO ProductInventory (ID, ProductID, WarehouseID, Amount) VALUES 
+(1, 1, 1, 100),
+(2, 2, 1, 50),
+(3, 1, 2, 200),
+(4, 2, 2, 150);

From c0a3bb72fc738c736c5c66e91d354d025762f066 Mon Sep 17 00:00:00 2001
From: Leonid Lachmann <148564629+leoleiden@users.noreply.github.com>
Date: Mon, 30 Jun 2025 14:31:45 +0300
Subject: [PATCH 3/3] Update3 task.sql

---
 task.sql | 39 +++++++++++++++++++--------------------
 1 file changed, 19 insertions(+), 20 deletions(-)

diff --git a/task.sql b/task.sql
index f380622..16d4cc1 100644
--- a/task.sql
+++ b/task.sql
@@ -20,7 +20,6 @@ CREATE TABLE Products (
   Name VARCHAR(100) NOT NULL
 );
 
--- Оновлена структура ProductInventory з ID
 CREATE TABLE ProductInventory (
   ID INT PRIMARY KEY AUTO_INCREMENT,
   ProductID INT NOT NULL,
@@ -30,22 +29,22 @@ CREATE TABLE ProductInventory (
   FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID)
 );
 
--- Оновлені INSERT-записи
-INSERT INTO Countries (ID, Name) VALUES 
-(1, 'USA'),
-(2, 'Canada');
-
-INSERT INTO Warehouses (ID, Name, Address, CountryID) VALUES 
-(1, 'Main Warehouse', '1234 Warehouse Ave', 1),
-(2, 'Secondary Warehouse', '5678 Storage St', 2);
-
-INSERT INTO Products (ID, Name) VALUES 
-(1, 'iPhone 13'),
-(2, 'Samsung Galaxy S21');
-
--- Додаємо ID в INSERT
-INSERT INTO ProductInventory (ID, ProductID, WarehouseID, Amount) VALUES 
-(1, 1, 1, 100),
-(2, 2, 1, 50),
-(3, 1, 2, 200),
-(4, 2, 2, 150);
+-- Виправлені INSERT-записи без вказівки ID
+INSERT INTO Countries (Name) VALUES 
+('USA'),
+('Canada');
+
+INSERT INTO Warehouses (Name, Address, CountryID) VALUES 
+('Main Warehouse', '1234 Warehouse Ave', 1),
+('Secondary Warehouse', '5678 Storage St', 2);
+
+INSERT INTO Products (Name) VALUES 
+('iPhone 13'),
+('Samsung Galaxy S21');
+
+-- Виправлений INSERT для ProductInventory
+INSERT INTO ProductInventory (ProductID, WarehouseID, Amount) VALUES 
+(1, 1, 100),
+(2, 1, 50),
+(1, 2, 200),
+(2, 2, 150);