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homework/dmedvedev/ddl.sql
T
Dmitry Medvedev 5e62bf4aad add DDL DML
2026-05-20 21:58:16 +05:00

32 lines
689 B
SQL

CREATE TABLE users (
id INT PRIMARY KEY NOT NULL,
name VARCHAR(100) NOT NULL,
age INT,
email VARCHAR(100),
country VARCHAR(2),
is_active BOOLEAN DEFAULT true,
created_at TIMESTAMPTZ NOT NULL
);
CREATE TABLE products (
id INT PRIMARY KEY NOT NULL,
name VARCHAR(100) NOT NULL,
category VARCHAR(50),
price DECIMAL(10,2) NOT NULL,
in_stock BOOLEAN
);
CREATE TABLE orders (
id INT PRIMARY KEY NOT NULL,
user_id INT,
order_date TIMESTAMPTZ NOT NULL,
status VARCHAR(20)
);
CREATE TABLE order_items (
order_id INT NOT NULL,
product_id INT NOT NULL,
quantity INT NOT NULL,
price_at_purchase DECIMAL(10,2) NOT NULL,
PRIMARY_KEY (order_id, product_id)
);