1second(date) - Returns the second of date 2date is a string in the format of 'yyyy-MM-dd HH:mm:ss' or 'HH:mm:ss'. 3Example: 4 > SELECT second('2009-07-30 12:58:59') FROM src LIMIT 1; 5 59 6 > SELECT second('12:58:59') FROM src LIMIT 1; 7 59 8