From 6520850059f9a190e827ff0436a22b1028a93b66 Mon Sep 17 00:00:00 2001 From: Pavlus Chaban Date: Wed, 28 Jan 2026 19:19:27 +0200 Subject: [PATCH 1/2] Solution --- task.sql | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/task.sql b/task.sql index cc65344..7122865 100644 --- a/task.sql +++ b/task.sql @@ -9,14 +9,21 @@ CREATE TABLE Countries ( PRIMARY KEY (ID) ); +CREATE TABLE Warehouses ( + ID INT, + Name VARCHAR(50), + Address VARCHAR(50), + CountryID INT, + FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, + PRIMARY KEY (ID) +); + 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, + WarehouseID INT, + FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) ); @@ -26,8 +33,13 @@ 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); + +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); + +INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseID) + VALUES (1, 'AwersomeProduct', 2, 1); +INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseID) + VALUES (2, 'AwersomeProduct', 5, 2); From 2bdb43799c7184759cd85ebd54b31402f34515ab Mon Sep 17 00:00:00 2001 From: Pavlus Chaban Date: Wed, 28 Jan 2026 19:23:22 +0200 Subject: [PATCH 2/2] Solution --- task.sql | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/task.sql b/task.sql index 7122865..6a5740c 100644 --- a/task.sql +++ b/task.sql @@ -18,11 +18,18 @@ CREATE TABLE Warehouses ( PRIMARY KEY (ID) ); +CREATE TABLE Products ( + ID INT, + Name VARCHAR(50), + PRIMARY KEY (ID) +); + CREATE TABLE ProductInventory ( ID INT, - ProductName VARCHAR(50), + ProductID INT, WarehouseAmount INT, WarehouseID INT, + FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE NO ACTION, FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) ); @@ -39,7 +46,10 @@ INSERT INTO Warehouses (ID,Name,Address,CountryID) INSERT INTO Warehouses (ID,Name,Address,CountryID) VALUES (2, 'Warehouse-2', 'City-2, Street-2', 2); -INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseID) - VALUES (1, 'AwersomeProduct', 2, 1); -INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseID) - VALUES (2, 'AwersomeProduct', 5, 2); +INSERT INTO Products (ID,Name) + VALUES (1, 'AwersomeProduct'); + +INSERT INTO ProductInventory (ID,ProductID,WarehouseAmount,WarehouseID) + VALUES (1, 1, 2, 1); +INSERT INTO ProductInventory (ID,ProductID,WarehouseAmount,WarehouseID) + VALUES (2, 1, 5, 2);