當我做減法時,在我的查詢中出現錯誤。我正在使用MS SQL。我該如何在這個查詢中做一個減號?
SELECT PT.PcbId
FROM dbo.DeviceTrace DT
JOIN dbo.PcbTrace PT ON DT.CompId = '101125937'
AND DT.DeviceID = PT.DeviceID
NOT IN (SELECT PB.PcbId
FROM dbo.DeviceTrace DT
JOIN dbo.PcbTrace PT ON DT.CompId = '101125937'
AND DT.DeviceID = PT.DeviceID
JOIN dbo.PanelBlockTrace PB ON PB.PcbID = PT.PcbID)
請問您能糾正我嗎?
你有什麼問題? – 2011-04-26 05:18:22