select * from data where sn='2202' order by id desc limit 4
idsntspqvaluesystemts
62322633 2202 temp 18.63 1662908720 Sun 11 09 2022 17:05:20
62322624 2202 temp 18.56 1662908700 Sun 11 09 2022 17:05:00
62322618 2202 temp 18.56 1662908697 Sun 11 09 2022 17:04:57
62322608 2202 temp 18.56 1662908681 Sun 11 09 2022 17:04:41

Sat Nov 15 22:33:37 2025 by walley