CREATE TABLE users ( id SERIAL PRIMARY KEY, username VARCHAR(255) UNIQUE NOT NULL, password VARCHAR(255) NOT NULL, email VARCHAR(255) UNIQUE NOT NULL, role VARCHAR(255) NOT NULL, created_at TIMESTAMP NOT NULL, updated_at TIMESTAMP NOT NULL ); CREATE TABLE user_logins ( id SERIAL PRIMARY KEY, user_id BIGINT NOT NULL, login_time TIMESTAMP NOT NULL, login_ip VARCHAR(255) NOT NULL, FOREIGN KEY (user_id) REFERENCES users (id) );