php에서 함수로 찍어주는것보다 now()라는 mysql자체함수가 훨씬 효과적인것 같습니다 ^^ CREATE TABLE example_default_now ( id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, data VARCHAR(100), created TIMESTAMP DEFAULT NOW() ); insert into example_default_now values(default,'test1',default); insert into example_default_now values(default,'test1',default); mysql> select * from example_default_now; +----+-------+---------------------+ | ..