그러냐

select id ,TIMESTAMPDIFF(SECOND, created_time, end_time) as a1 ,TIMESTAMPDIFF(MINUTE, created_time, end_time) as a2 ,TIMESTAMPDIFF(HOUR, created_time, end_time) as a3 ,TIMESTAMPDIFF(DAY, created_time, end_time) as a4 ,TIMESTAMPDIFF(WEEK, created_time, end_time) as a5 ,TIMESTAMPDIFF(MONTH, created_time, end_time) as a6 ,TIMESTAMPDIFF(QUARTER, created_time, end_time) as a7 ,TIMESTAMPDIFF(YEAR, cre..