DB 스키마 생성 쿼리
CREATE TABLE `users`
(
`id` int PRIMARY KEY NOT NULL AUTO_INCREMENT,
`login_id` varchar(255) UNIQUE NOT NULL,
`password` varchar(255) NOT NULL,
`nickname` varchar(255) UNIQUE NOT NULL,
`create_at` timestamp DEFAULT (CURRENT_TIMESTAMP),
`update_at` timestamp DEFAULT (CURRENT_TIMESTAMP)
);
ERD