mysql> Select UNIX_TIMESTAMP();
-> 882226357
mysql> Select UNIX_TIMESTAMP(’1997-10-04 22:23:00′);
-> 875996580
mysql> Select FROM_UNIXTIME(875996580);
-> ’1997-10-04 22:23:00′
mysql> Select UNIX_TIMESTAMP();
-> 882226357
mysql> Select UNIX_TIMESTAMP(’1997-10-04 22:23:00′);
-> 875996580
mysql> Select FROM_UNIXTIME(875996580);
-> ’1997-10-04 22:23:00′