how i know this devices availability monthly or weekly

sadiqsul

SELECT
concat(round(avg(Availability), 2), ' %' ) as Network
FROM Orion.ResponseTime rt
where
monthdiff(datetime,getdate())=0 and rt.Node.CustomProperties.TETCO_Teams='Network'

donrobert5

To calculate node availability over a selected time period, the sum of all Response Time table records for the selected node over the selected time period is divided by the selected time period. This provides an average availability over the selected time period.

it is written below.

documentation.solarwinds.com/.../core-calculating-node-availability-sw1184.htm