From 3d69bea4938e28f0c2810433f806782eba54d828 Mon Sep 17 00:00:00 2001 From: Eldar Date: Wed, 25 Jun 2025 02:36:11 +0300 Subject: [PATCH 1/3] Solution --- task.sql | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/task.sql b/task.sql index cc65344..f68ea5e 100644 --- a/task.sql +++ b/task.sql @@ -9,25 +9,35 @@ CREATE TABLE Countries ( PRIMARY KEY (ID) ); +CREATE TABLE ProductName( + ID INT, + ProductName VARCHAR(50), + PRIMARY KEY (ID) +); + CREATE TABLE ProductInventory ( ID INT, - ProductName VARCHAR(50), + ProductNameID INT, WarehouseAmount INT, WarehouseName VARCHAR(50), WarehouseAddress VARCHAR(50), CountryID INT, + FOREIGN KEY (ProductNameID) REFERENCES ProductName(ID) ON DELETE NO ACTION, FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, PRIMARY KEY (ID) ); -- Populate test data +INSERT INTO ProductName (ID, ProductName) +VALUES (1, 'AwersomeProduct'); + 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 ProductInventory (ID,ProductNameID,WarehouseAmount,WarehouseName,WarehouseAddress,CountryID) + VALUES (1, 1, 2, 'Warehouse-1', 'City-1, Street-1',1); +INSERT INTO ProductInventory (ID,ProductNameID,WarehouseAmount,WarehouseName,WarehouseAddress,CountryID) + VALUES (2, 1, 5, 'Warehouse-2', 'City-2, Street-2',2); From c026285e54bf7aa53d96c2866197efa993b71c4b Mon Sep 17 00:00:00 2001 From: Eldar Date: Wed, 25 Jun 2025 02:57:09 +0300 Subject: [PATCH 2/3] Solution --- task.sql | 52 +++++++++++++++++++++++----------------------------- 1 file changed, 23 insertions(+), 29 deletions(-) diff --git a/task.sql b/task.sql index f68ea5e..e7e6bab 100644 --- a/task.sql +++ b/task.sql @@ -1,43 +1,37 @@ -- 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, + Name VARCHAR(50) ); -CREATE TABLE ProductName( - ID INT, - ProductName VARCHAR(50), - PRIMARY KEY (ID) +CREATE TABLE Product( + ID INT PRIMARY KEY, + ProductName VARCHAR(50) ); - -CREATE TABLE ProductInventory ( - ID INT, - ProductNameID INT, - WarehouseAmount INT, - WarehouseName VARCHAR(50), - WarehouseAddress VARCHAR(50), +CREATE TABLE Warehouses( + ID INT PRIMARY KEY, + Name VARCHAR(50), + AddressID VARCHAR(50), CountryID INT, - FOREIGN KEY (ProductNameID) REFERENCES ProductName(ID) ON DELETE NO ACTION, - FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION, - PRIMARY KEY (ID) + FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION + +); +CREATE TABLE ProductInventory ( + ID INT PRIMARY KEY, + ProductID INT, + Amount INT, + WarehousesID INT, + FOREIGN KEY (WarehousesID) REFERENCES Warehouses(ID) ON DELETE NO ACTION, + FOREIGN KEY (ProductID) REFERENCES Product(ID) ON DELETE NO ACTION ); -- Populate test data -INSERT INTO ProductName (ID, ProductName) -VALUES (1, 'AwersomeProduct'); +INSERT INTO Countries (ID, Name) VALUES (1, 'Country1'); +INSERT INTO Countries (ID, Name) VALUES (2, 'Country2'); -INSERT INTO Countries (ID,Name) - VALUES (1, 'Country1'); -INSERT INTO Countries (ID,Name) - VALUES (2, 'Country2'); - -INSERT INTO ProductInventory (ID,ProductNameID,WarehouseAmount,WarehouseName,WarehouseAddress,CountryID) - VALUES (1, 1, 2, 'Warehouse-1', 'City-1, Street-1',1); -INSERT INTO ProductInventory (ID,ProductNameID,WarehouseAmount,WarehouseName,WarehouseAddress,CountryID) - VALUES (2, 1, 5, 'Warehouse-2', 'City-2, Street-2',2); +INSERT INTO Product(ID, ProductName) VALUES (1, 'AwersomeProduct'); From fd8ccb87ed44c9ebba1c73dac07b2e2c050f546f Mon Sep 17 00:00:00 2001 From: Eldar Date: Wed, 25 Jun 2025 03:12:15 +0300 Subject: [PATCH 3/3] fixed2 --- task.sql | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/task.sql b/task.sql index e7e6bab..f0bad43 100644 --- a/task.sql +++ b/task.sql @@ -15,7 +15,7 @@ CREATE TABLE Product( CREATE TABLE Warehouses( ID INT PRIMARY KEY, Name VARCHAR(50), - AddressID VARCHAR(50), + Address VARCHAR(50), CountryID INT, FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION @@ -23,9 +23,9 @@ CREATE TABLE Warehouses( CREATE TABLE ProductInventory ( ID INT PRIMARY KEY, ProductID INT, + WarehouseID INT, Amount INT, - WarehousesID INT, - FOREIGN KEY (WarehousesID) REFERENCES Warehouses(ID) ON DELETE NO ACTION, + FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID) ON DELETE NO ACTION, FOREIGN KEY (ProductID) REFERENCES Product(ID) ON DELETE NO ACTION ); @@ -35,3 +35,11 @@ INSERT INTO Countries (ID, Name) VALUES (1, 'Country1'); INSERT INTO Countries (ID, Name) VALUES (2, 'Country2'); INSERT INTO Product(ID, ProductName) VALUES (1, 'AwersomeProduct'); + +INSERT INTO Warehouses (ID, Name, Address, CountryID) VALUES (1, 'Warehouse-1', 'Street-1 City-1', 1); +INSERT INTO Warehouses (ID, Name, Address, CountryID) VALUES (2, 'Warehouse-2', 'Street-1 City-2', 2); + +INSERT INTO ProductInventory (ID, ProductID, WarehouseID, Amount) +VALUES + (1, 1, 1, 2), + (2, 1, 2, 5); \ No newline at end of file