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CREATE TABLE users ( user_id SERIAL PRIMARY KEY, username VARCHAR(50) ); CREATE TABLE orders ( order_id SERIAL PRIMARY KEY, user_id INTEGER REFERENCES users(user_id) ON DELETE CASCADE, product_name VARCHAR(100) ); -- Добавляем несколько тестовых данных INSERT INTO users (username) VALUES ('Alice'), ('Bob'); INSERT INTO orders (user_id, product_name) VALUES (1, 'Book'), (2, 'Phone'); SELECT * FROM users; SELECT * FROM orders; TRUNCATE TABLE users CASCADE; SELECT * FROM users; SELECT * FROM orders;

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SQLize | PHPize | SQLtest

Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code

Stuck with a problem? Got Error? Ask AI support!