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Solution2 #184

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b359343
Solution2
volodymyrlp Jun 5, 2026
d57f628
Solution3
volodymyrlp Jun 5, 2026
c9f3fa6
Solution3
volodymyrlp Jun 7, 2026
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54 changes: 35 additions & 19 deletions task.sql
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Original file line number Diff line number Diff line change
@@ -1,6 +1,4 @@
-- Create database and tables

CREATE DATABASE ShopDB;
CREATE DATABASE IF NOT EXISTS ShopDB;

@mateacademy-ai-mentor mateacademy-ai-mentor Jun 5, 2026

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Requirement #2 specifies using DROP DATABASE ShopDB; statement to delete the existing database before creating a new one. Using CREATE DATABASE IF NOT EXISTS does not properly follow the requirements.

USE ShopDB;

CREATE TABLE Countries (
Expand All @@ -9,25 +7,43 @@ CREATE TABLE Countries (
PRIMARY KEY (ID)
);

CREATE TABLE ProductInventory (
CREATE TABLE Products (
ID INT,
ProductName VARCHAR(50),
WarehouseAmount INT,
PRIMARY KEY (ID)
);

CREATE TABLE Warehouses (
ID INT,
WarehouseName VARCHAR(50),
WarehouseAddress VARCHAR(50),
WarehouseAddress VARCHAR(50),
CountryID INT,
FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION,
PRIMARY KEY (ID)
PRIMARY KEY (ID),
FOREIGN KEY (CountryID) REFERENCES Countries(ID) ON DELETE NO ACTION
);

-- 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);
CREATE TABLE ProductInventory (
ID INT,
ProductID INT,
WarehouseID INT,
WarehouseAmount INT,
PRIMARY KEY (ID),
FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE NO ACTION,
FOREIGN KEY (WarehouseID) REFERENCES Warehouses(ID) ON DELETE NO ACTION
);


INSERT INTO Countries (ID, Name) VALUES (1, 'Country1');
INSERT INTO Countries (ID, Name) VALUES (2, 'Country2');

INSERT INTO Products (ID, ProductName) VALUES (1, 'AwersomeProduct');

INSERT INTO Warehouses (ID, WarehouseName, WarehouseAddress, CountryID)
VALUES (1, 'Warehouse-1', 'City-1, Street-1', 1);
INSERT INTO Warehouses (ID, WarehouseName, WarehouseAddress, CountryID)
VALUES (2, 'Warehouse-2', 'City-2, Street-2', 2);

INSERT INTO ProductInventory (ID, ProductID, WarehouseID, WarehouseAmount)
VALUES (1, 1, 1, 2);
INSERT INTO ProductInventory (ID, ProductID, WarehouseID, WarehouseAmount)
VALUES (2, 1, 2, 5);
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