feature: add solution

task.sql

@@ -1 +1,32 @@
-# Write your SQL code for the database creation here. Good luck! 
+CREATE DATABASE ShopDB;
+
+USE ShopDB 
+
+CREATE TABLE Products (
+	ID INT AUTO_INCREMENT PRIMARY KEY,
+	Name VARCHAR(50),
+	Description VARCHAR(50),
+	Price INT,
+	WarehouseAmount INT
+);
+CREATE TABLE Customers (
+	ID INT AUTO_INCREMENT PRIMARY KEY,
+	FirstName VARCHAR(50),
+	LastName VARCHAR(50),
+	Email VARCHAR(50),
+	Address VARCHAR(50)
+);
+
+CREATE TABLE Orders (
+	ID INT AUTO_INCREMENT PRIMARY KEY,
+	CustomerID INT,
+	Date DATE,
+	FOREIGN KEY (CustomerID) REFERENCES Customers(ID) ON DELETE SET NULL
+);
+CREATE TABLE OrderItems (
+	ID INT AUTO_INCREMENT PRIMARY KEY,
+	OrderID INT,
+	ProductID INT,
+	FOREIGN KEY (OrderID) REFERENCES Orders(ID) ON DELETE SET NULL,
+	FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL
+);