Last reboot time (Uptime)

SELECT
meta_hostname,
MAX(meta_boot_time) AS EPOC,
DATE_FORMAT(FROM_UNIXTIME(MAX(meta_boot_time)), '%Y-%m-%dT%H:%i:%SZ') AS Last_Reboot_Time
FROM XDR_DATA
GROUP BY
meta_hostname
ORDER BY
Last_Reboot_Time ASC

This query will report the last reboot date and time