Solution

task.sql

@@ -1 +1,44 @@
 # Write your SQL code for the database creation here. Good luck! 
+
+-- 1. Create the ShopDB database
+CREATE DATABASE IF NOT EXISTS ShopDB;
+USE ShopDB;
+
+-- 2. Create Products table
+CREATE TABLE IF NOT EXISTS Products (
+    ID              INT            NOT NULL AUTO_INCREMENT,
+    Name            VARCHAR(50)    NOT NULL,
+    Description     VARCHAR(100)   NOT NULL,
+    Price           INT            NOT NULL,
+    WarehouseAmount INT            NOT NULL,
+    PRIMARY KEY (ID)
+);
+
+-- 3. Create Customers table
+CREATE TABLE IF NOT EXISTS Customers (
+    ID          INT           NOT NULL AUTO_INCREMENT,
+    FirstName   VARCHAR(50)   NOT NULL,
+    LastName    VARCHAR(50)   NOT NULL,
+    Email       VARCHAR(100)  NOT NULL,
+    Address     VARCHAR(100)  NOT NULL,
+    PRIMARY KEY (ID)
+);
+
+-- 4. Create Orders table  (FK → Customers)
+CREATE TABLE IF NOT EXISTS Orders (
+    ID          INT     NOT NULL AUTO_INCREMENT,
+    CustomerID  INT,
+    Date        DATE    NOT NULL,
+    PRIMARY KEY (ID),
+    FOREIGN KEY (CustomerID) REFERENCES Customers(ID) ON DELETE SET NULL
+);
+
+-- 5. Create OrderItems table  (FK → Orders, FK → Products)
+CREATE TABLE IF NOT EXISTS OrderItems (
+    ID          INT  NOT NULL AUTO_INCREMENT,
+    OrderID     INT,
+    ProductID   INT,
+    PRIMARY KEY (ID),
+    FOREIGN KEY (OrderID)   REFERENCES Orders(ID)   ON DELETE SET NULL,
+    FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL
+);