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SQLize Online / PHPize Online  /  SQLtest Online

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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code. You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.

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CREATE TABLE users ( id SERIAL PRIMARY KEY, username TEXT NOT NULL UNIQUE ) CREATE TABLE roles ( id SERIAL PRIMARY KEY, name TEXT NOT NULL UNIQUE ) CREATE TABLE user_roles ( user_id INTEGER NOT NULL, role_id INTEGER NOT NULL, PRIMARY KEY (user_id, role_id), FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE, FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE, );

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