From 76dfd55310a852145a75d56641286b4ff8beace2 Mon Sep 17 00:00:00 2001
From: Ihor Hurianov <igor.gurianov@gmail.com>
Date: Mon, 25 May 2026 16:54:08 +0300
Subject: [PATCH 1/2] Solution

---
 task.sql | 43 +++++++++++++++++++++++++++++++++----------
 1 file changed, 33 insertions(+), 10 deletions(-)

diff --git a/task.sql b/task.sql
index cc65344..aec0e87 100644
--- a/task.sql
+++ b/task.sql
@@ -9,14 +9,28 @@ CREATE TABLE Countries (
     PRIMARY KEY (ID)
 );
 
-CREATE TABLE ProductInventory (
+CREATE TABLE Warehouses (
     ID INT,
-    ProductName VARCHAR(50),
-    WarehouseAmount INT,
-    WarehouseName VARCHAR(50),
-    WarehouseAddress VARCHAR(50), 
+    Name VARCHAR(50),
+    Adress VARCHAR(50),
     CountryID INT,
-	FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION,
+    FOREIGN KEY CountryID REFERENCES Countries(ID),
+    PRIMARY KEY (ID)
+);
+
+CREATE TABLE Products (
+    ID INT,
+    Name VARCHAR(50),
+    PRIMARY KEY (ID),
+);
+
+CREATE TABLE ProductInventory (
+    ID INT,
+    ProductID INT,
+    WarehouseID INT,
+    Amount INT,
+    FOREIGN KEY (ProductID) REFERENCES Products (ID),
+    FOREIGN KEY (WarehouseID) REFERENCES Warehouses (ID),
     PRIMARY KEY (ID)
 );
 
@@ -26,8 +40,17 @@ INSERT INTO Countries (ID,Name)
 	VALUES (1, 'Country1');
 INSERT INTO Countries (ID,Name)
 	VALUES (2, 'Country2');
+
+ INSERT INTO Warehouses (ID, Name, Adress, CountryID) 
+  VALUES (1, 'Warehouse-1', 'City-1, Street-1', 1);
+INSERT INTO Warehouses (ID, Name, Address, CountryID)
+  VALUES (2, 'Warehouse-2', 'City-2, Street-2', 2);
+
+INSERT INTO Products (ID, Name)
+  VALUES (1, 'AwersomeProduct');
+
     
-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);
+INSERT INTO ProductInventory (ID,ProductID,WarehouseID,Amount)
+	 VALUES (1, 1, 1, 2);
+INSERT INTO ProductInventory (ID, ProductID, WarehouseID, Amount)
+    VALUES (2, 1, 2, 5);
\ No newline at end of file

From 1e0387ac7d2d7b9512318b537514f944d881cb47 Mon Sep 17 00:00:00 2001
From: Ihor Hurianov <igor.gurianov@gmail.com>
Date: Mon, 25 May 2026 19:07:37 +0300
Subject: [PATCH 2/2] Solution

---
 task.sql | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/task.sql b/task.sql
index aec0e87..68c7b64 100644
--- a/task.sql
+++ b/task.sql
@@ -12,16 +12,16 @@ CREATE TABLE Countries (
 CREATE TABLE Warehouses (
     ID INT,
     Name VARCHAR(50),
-    Adress VARCHAR(50),
+    Address VARCHAR(50),
     CountryID INT,
-    FOREIGN KEY CountryID REFERENCES Countries(ID),
+    CONSTRAINT fk_warehouse_country  FOREIGN KEY (CountryID) REFERENCES Countries(ID),
     PRIMARY KEY (ID)
 );
 
 CREATE TABLE Products (
     ID INT,
     Name VARCHAR(50),
-    PRIMARY KEY (ID),
+    PRIMARY KEY (ID)
 );
 
 CREATE TABLE ProductInventory (
@@ -29,8 +29,8 @@ CREATE TABLE ProductInventory (
     ProductID INT,
     WarehouseID INT,
     Amount INT,
-    FOREIGN KEY (ProductID) REFERENCES Products (ID),
-    FOREIGN KEY (WarehouseID) REFERENCES Warehouses (ID),
+    CONSTRAINT fk_inventory_product FOREIGN KEY (ProductID) REFERENCES Products (ID),
+    CONSTRAINT fk_inventory_warehouse FOREIGN KEY (WarehouseID) REFERENCES Warehouses (ID),
     PRIMARY KEY (ID)
 );
 
@@ -41,7 +41,7 @@ INSERT INTO Countries (ID,Name)
 INSERT INTO Countries (ID,Name)
 	VALUES (2, 'Country2');
 
- INSERT INTO Warehouses (ID, Name, Adress, CountryID) 
+ INSERT INTO Warehouses (ID, Name, Address, CountryID) 
   VALUES (1, 'Warehouse-1', 'City-1, Street-1', 1);
 INSERT INTO Warehouses (ID, Name, Address, CountryID)
   VALUES (2, 'Warehouse-2', 'City-2, Street-2', 2);