From 91466585998ecd6b2ea98bc04ec6889849903eea Mon Sep 17 00:00:00 2001
From: Olexandr <Sanjan101088@gmail.com>
Date: Tue, 5 May 2026 14:58:38 +0300
Subject: [PATCH 1/3] Create ShopDB database with Products, Customers, Orders
 tables

---
 task.sql | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/task.sql b/task.sql
index 0a66d93..272c8c7 100644
--- a/task.sql
+++ b/task.sql
@@ -1 +1,34 @@
-# 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(100),
+    Price INT,
+    WarehouseAmount INT
+);
+
+CREATE TABLE Customers (
+    ID INT AUTO_INCREMENT PRIMARY KEY,
+    FirstName VARCHAR(50),
+    LastName VARCHAR(50),
+    Email VARCHAR(50),
+    Address VARCHAR(100)
+);
+
+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
+);
+

From d63411938cd02137f18c9480f1df091c358dd7c5 Mon Sep 17 00:00:00 2001
From: KostiukOleksandr <Sanjan101088@gmail.com>
Date: Wed, 6 May 2026 18:50:39 +0300
Subject: [PATCH 2/3] Create indexes for ShopDB

---
 task.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/task.sql b/task.sql
index 272c8c7..ef023e8 100644
--- a/task.sql
+++ b/task.sql
@@ -1,4 +1,4 @@
-CREATE DATABASE ShopDB;
+-- CREATE DATABASE ShopDB;
 USE ShopDB;
 
 CREATE TABLE Products (

From 7b28c4ba66bc3762e46ebbfed8c27c4b5778958a Mon Sep 17 00:00:00 2001
From: KostiukOleksandr <Sanjan101088@gmail.com>
Date: Wed, 6 May 2026 19:09:05 +0300
Subject: [PATCH 3/3] Complete ShopDB with tables and indexes

---
 task.sql | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/task.sql b/task.sql
index ef023e8..f80cb73 100644
--- a/task.sql
+++ b/task.sql
@@ -1,4 +1,4 @@
--- CREATE DATABASE ShopDB;
+CREATE DATABASE IF NOT EXISTS ShopDB;
 USE ShopDB;
 
 CREATE TABLE Products (
@@ -32,3 +32,8 @@ CREATE TABLE OrderItems (
     FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL
 );
 
+CREATE INDEX Email ON Customers(Email);
+CREATE INDEX Name ON Products(Name);
+CREATE INDEX CustomerID ON Orders(CustomerID);
+CREATE INDEX OrderID ON OrderItems(OrderID);
+CREATE INDEX ProductID ON OrderItems(ProductID);