Besides backup, any IT division should have a disaster recovery plan. You will find a few tips below relating to the development of such a plan and to what issues one should pay special attention in the course of backup planning.
This selects the data from the tblEquipment correctly and creates two new columns 'Ok1' and 'Ok2'
SELECT (SELECT Ok1 = case Latitude when '-' then '0' when '' then '0' else '1' end) as Ok1, (SELECT Ok2 = case Longitude when '-' then '0' when '' then '0' else '1' end) as Ok2 FROM tblEquipment
WHERE Ok1='1' AND Ok2='1'
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