From 131638668c463576e486a7732123bb2debaa0de9 Mon Sep 17 00:00:00 2001 From: Dmytro Kolchak Date: Mon, 27 Oct 2025 23:19:30 +0200 Subject: [PATCH 1/4] Implement solution --- task.sql | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/task.sql b/task.sql index cc65344..c0ed1f6 100644 --- a/task.sql +++ b/task.sql @@ -9,14 +9,20 @@ CREATE TABLE Countries ( PRIMARY KEY (ID) ); +CREATE TABLE Warehouse ( + ID INT, + WarehouseName VARCHAR(50), + WarehouseAddress VARCHAR(50), + PRIMARY KEY (ID) +) CREATE TABLE ProductInventory ( ID INT, ProductName VARCHAR(50), WarehouseAmount INT, - WarehouseName VARCHAR(50), - WarehouseAddress VARCHAR(50), + WarehouseID INT, CountryID INT, FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, + FOREIGN KEY (WarehouseID) REFERENCES Warehouse(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) ); @@ -26,8 +32,11 @@ 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 Warehouse (ID,WarehouseName, WarehouseAddress) + VALUES (1, 'Warehouse-1', 'City-1, Street-1'), + (2, 'Warehouse-2', 'City-2, Street-2'); + +INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseID,CountryID) + VALUES (1, 'AwersomeProduct', 2, 1, 1), + (2, 'AwersomeProduct', 5, 2, 2); From 7208afa7316f049035fe3f18a995ed50fcb47999 Mon Sep 17 00:00:00 2001 From: Dmytro Kolchak Date: Mon, 27 Oct 2025 23:19:41 +0200 Subject: [PATCH 2/4] Implement solution --- task.sql | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/task.sql b/task.sql index c0ed1f6..ea14c5e 100644 --- a/task.sql +++ b/task.sql @@ -14,7 +14,7 @@ CREATE TABLE Warehouse ( WarehouseName VARCHAR(50), WarehouseAddress VARCHAR(50), PRIMARY KEY (ID) -) +); CREATE TABLE ProductInventory ( ID INT, ProductName VARCHAR(50), From 57d6c79a4818b1ad9f0d08cf6549c7349dd4eb19 Mon Sep 17 00:00:00 2001 From: Dmytro Kolchak Date: Mon, 27 Oct 2025 23:33:18 +0200 Subject: [PATCH 3/4] Implement solution --- task.sql | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/task.sql b/task.sql index ea14c5e..36e1f17 100644 --- a/task.sql +++ b/task.sql @@ -1,5 +1,5 @@ -- Create database and tables - +DROP DATABASE IF EXISTS ShopDB; CREATE DATABASE ShopDB; USE ShopDB; @@ -15,13 +15,21 @@ CREATE TABLE Warehouse ( WarehouseAddress VARCHAR(50), PRIMARY KEY (ID) ); + +CREATE TABLE Product ( + ID INT, + Name VARCHAR(50), + PRIMARY KEY (ID) +); + CREATE TABLE ProductInventory ( ID INT, - ProductName VARCHAR(50), + ProductID INT, WarehouseAmount INT, WarehouseID INT, CountryID INT, FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, + FOREIGN KEY (ProductID) REFERENCES Product(ID) ON DELETE NO ACTION, FOREIGN KEY (WarehouseID) REFERENCES Warehouse(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) ); @@ -33,10 +41,13 @@ INSERT INTO Countries (ID,Name) INSERT INTO Countries (ID,Name) VALUES (2, 'Country2'); +INSERT INTO Product (ID,Name) + VALUES (1, 'AwersomeProduct'); + INSERT INTO Warehouse (ID,WarehouseName, WarehouseAddress) VALUES (1, 'Warehouse-1', 'City-1, Street-1'), (2, 'Warehouse-2', 'City-2, Street-2'); -INSERT INTO ProductInventory (ID,ProductName,WarehouseAmount,WarehouseID,CountryID) - VALUES (1, 'AwersomeProduct', 2, 1, 1), - (2, 'AwersomeProduct', 5, 2, 2); +INSERT INTO ProductInventory (ID,ProductID,WarehouseAmount,WarehouseID,CountryID) + VALUES (1, 1, 2, 1, 1), + (2, 1, 5, 2, 2); From 2f785e7817df45f8de8f3b047828d34330620def Mon Sep 17 00:00:00 2001 From: Dmytro Kolchak Date: Mon, 27 Oct 2025 23:39:46 +0200 Subject: [PATCH 4/4] Implement solution --- task.sql | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/task.sql b/task.sql index 36e1f17..d723fc3 100644 --- a/task.sql +++ b/task.sql @@ -13,6 +13,8 @@ CREATE TABLE Warehouse ( ID INT, WarehouseName VARCHAR(50), WarehouseAddress VARCHAR(50), + CountryID INT, + FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) ); @@ -27,8 +29,6 @@ CREATE TABLE ProductInventory ( ProductID INT, WarehouseAmount INT, WarehouseID INT, - CountryID INT, - FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, FOREIGN KEY (ProductID) REFERENCES Product(ID) ON DELETE NO ACTION, FOREIGN KEY (WarehouseID) REFERENCES Warehouse(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) @@ -44,10 +44,10 @@ INSERT INTO Countries (ID,Name) INSERT INTO Product (ID,Name) VALUES (1, 'AwersomeProduct'); -INSERT INTO Warehouse (ID,WarehouseName, WarehouseAddress) - VALUES (1, 'Warehouse-1', 'City-1, Street-1'), - (2, 'Warehouse-2', 'City-2, Street-2'); +INSERT INTO Warehouse (ID,WarehouseName, WarehouseAddress, CountryID) + VALUES (1, 'Warehouse-1', 'City-1, Street-1', 1), + (2, 'Warehouse-2', 'City-2, Street-2', 2); -INSERT INTO ProductInventory (ID,ProductID,WarehouseAmount,WarehouseID,CountryID) - VALUES (1, 1, 2, 1, 1), - (2, 1, 5, 2, 2); +INSERT INTO ProductInventory (ID,ProductID,WarehouseAmount,WarehouseID) + VALUES (1, 1, 2, 1), + (2, 1, 5, 2);