CREATE TABLE `users` (
	`id` serial AUTO_INCREMENT NOT NULL,
	`username` varchar(64) NOT NULL,
	`email` varchar(255) NOT NULL,
	`password_hash` varchar(255) NOT NULL,
	`is_active` boolean NOT NULL DEFAULT true,
	`created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
	`updated_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
	CONSTRAINT `users_id` PRIMARY KEY(`id`)
);