多主站使用过的sql

SELECT device_mac, COUNT(*) AS count

from mesh_main_mac

GROUP BY device_mac

ORDER BY count DESC

LIMIT 10;

delete from mesh_main_mac where device_mac in('0034CB4CB714','0034CB4C82F4','0034CB4CE5EC','0034CB4C6E34','0034CB4CD5BC')

select count(*) from mesh_main_mac ;

DELETE FROM mesh_main_mac WHERE end_time IS NOT NULL