Hello plog,
Thank you for your reply. For a MasterQuery, are you suggesting something like this:
SELECT UnitPart,UnitSerial,TestDate,Technician
FROM [LAPTOP]
UNION ALL
SELECT UnitPart,UnitSerial,TestDate,Technician
FROM [WORKSTATION]
UNION ALL
SELECT UnitPart,UnitSerial,TestDate,Technician...