mysql> select last_seen from bts_users where last_seen is not null limit 100; +------------+ | last_seen | +------------+ | 1130255641 | | 1130258004 | | 1130258372 | | 1130261321 | | 1130265826 | | 1130265862 | | 1130266001 | | 1130273742 | | 1130274814 | | 1130281452 | | 1130307195 | | 1130312222 | | 1130317715 | | 1130333949 | | 1130347069 | | 1130347325 | | 1130347388 | | 1130347938 | | 1130348047 | | 1130348507 | | 1130348597 | | 1130348943 | | 1130349044 | | 1130349072 | | 1130349267 | | 1130349390 | | 1130349639 | | 1130349768 | | 1130349812 | | 1130349835 | | 1130349987 | | 1130350125 | | 1130350128 | | 1130350132 | | 1130350180 | | 1130350288 | | 1130350294 | | 1130350454 | | 1130350609 | | 1130350644 | | 1130350989 | | 1130351051 | | 1130351120 | | 1130351320 | | 1130351412 | | 1130351836 | | 1130351844 | | 1130352116 | | 1130352386 | | 1130352647 | | 1130353452 | | 1130353498 | | 1130353525 | | 1130353913 | | 1130354030 | | 1130354157 | | 1130354346 | | 1130355198 | | 1130355603 | | 1130355653 | | 1130355726 | | 1130355922 | | 1130356011 | | 1130356251 | | 1130356451 | | 1130357007 | | 1130357108 | | 1130357253 | | 1130357487 | | 1130357565 | | 1130357586 | | 1130357614 | | 1130357801 | | 1130357923 | | 1130358147 | | 1130358162 | | 1130358195 | | 1130358331 | | 1130358449 | | 1130358643 | | 1130358728 | | 1130359114 | | 1130359137 | | 1130360202 | | 1130361690 | | 1130361804 | | 1130362268 | | 1130362720 | | 1130362898 | | 1130363551 | | 1130364269 | | 1130364359 | | 1130364728 | | 1130365275 | | 1130367670 | | 1130368984 | | 1130369346 | | 1130370151 | | 1130371913 | | 1130373109 | +------------+ 100 rows in set (0.53 sec) mysql>