From f1cbab49243ddb757cbb8f82dbbf897740754c50 Mon Sep 17 00:00:00 2001
From: Nikita Ivanichenko <importantthings1482@gmail.com>
Date: Wed, 3 Jun 2026 12:34:31 +0300
Subject: [PATCH 1/2] Solution

---
 task.sql | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/task.sql b/task.sql
index 0a66d93..c595606 100644
--- a/task.sql
+++ b/task.sql
@@ -1 +1,37 @@
 # Write your SQL code for the database creation here. Good luck! 
+CREATE DATABASE ShopDB;
+
+USE ShopDB;
+
+CREATE TABLE Products (
+    ID INT AUTO_INCREMENT,
+    Name VARCHAR(50),
+    Description VARCHAR(100),
+    Price INT,
+    WarehouseAmount INT,
+    PRIMARY KEY (ID)
+);
+
+CREATE TABLE Customers (
+    ID INT AUTO_INCREMENT,
+    FirstName VARCHAR(50),
+    LastName VARCHAR(50),
+    Email VARCHAR(50),
+    Address VARCHAR(50),
+    PRIMARY KEY (ID)
+);
+
+CREATE TABLE Orders (
+    ID INT AUTO_INCREMENT,
+    CustomerID INT,
+    FOREIGN KEY (CustomerID) REFERENCES Customers(ID) ON DELETE SET NULL,
+    Date DATE
+);
+
+CREATE TABLE OrderItems (
+    ID INT AUTO_INCREMENT,
+    OrderID INT,
+    ProductID INT,
+    FOREIGN KEY (OrderID) REFERENCES Orders(ID) ON DELETE SET NULL,
+    FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL
+);
\ No newline at end of file

From 02bc7c2f6a624d9a948cce37365df2ba1a99096e Mon Sep 17 00:00:00 2001
From: Nikita Ivanichenko <importantthings1482@gmail.com>
Date: Wed, 3 Jun 2026 12:37:39 +0300
Subject: [PATCH 2/2] fix

---
 task.sql | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/task.sql b/task.sql
index c595606..fe235dc 100644
--- a/task.sql
+++ b/task.sql
@@ -25,7 +25,8 @@ CREATE TABLE Orders (
     ID INT AUTO_INCREMENT,
     CustomerID INT,
     FOREIGN KEY (CustomerID) REFERENCES Customers(ID) ON DELETE SET NULL,
-    Date DATE
+    Date DATE,
+    PRIMARY KEY (ID)
 );
 
 CREATE TABLE OrderItems (
@@ -33,5 +34,6 @@ CREATE TABLE OrderItems (
     OrderID INT,
     ProductID INT,
     FOREIGN KEY (OrderID) REFERENCES Orders(ID) ON DELETE SET NULL,
-    FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL
+    FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL,
+    PRIMARY KEY (ID)
 );
\ No newline at end of file