From 467787a1d1605e15d6d30877b070fe081fdb9836 Mon Sep 17 00:00:00 2001
From: "av.kalyanov" <av.kalyanov@yandex.ru>
Date: Sun, 26 Apr 2026 08:07:24 +0300
Subject: [PATCH] Add first ddl

---
 SQL/ddl.sql | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 SQL/ddl.sql

diff --git a/SQL/ddl.sql b/SQL/ddl.sql
new file mode 100644
index 0000000..a3047ed
--- /dev/null
+++ b/SQL/ddl.sql
@@ -0,0 +1,34 @@
+-- Таблица пользователей
+create table akalyanov.users (
+    id int primary key,
+    name varchar(100) not null,
+    age smallint,
+    email varchar(100),
+    country varchar(2),
+    is_active boolean,
+    created_at timestamp not null
+);
+-- Таблица товаров
+create table akalyanov.products (
+    id int primary key,
+    name varchar(100) not null,
+    category varchar(50),
+    price decimal(10, 2) not null,
+    in_stock boolean
+);
+-- Таблица заказов
+create table akalyanov.orders (
+    id int primary key,
+    user_id int,
+    order_date date not null,
+    status varchar(20),
+    foreign key (user_id) references akalyanov.users(id)
+);
+-- Таблица товаров в заказе
+create table akalyanov.order_items (
+    order_id int,
+    product_id int,
+    quantity smallint not null,
+    price_at_purchase decimal(10, 2) not null,
+    primary key (order_id, product_id)
+);
\ No newline at end of file