[Database] MySQL sql 노가다로 테이블 생성해보기

CREATE TABLE SmsLog (
id INTEGER NOT NULL PRIMARY KEY AUTO_INCREMENT, 
message TEXT, 
message_length INTEGER, 
sender VARCHAR(20), 
receiver VARCHAR(20), 
is_lms TINYINT, 
merchant_id VARCHAR(50), 
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, 
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);