我需要在更新中使用group byfrominventorymaster t1 join
(Select * from InventoryTransTemp Union all Select * from InventoryTrans)t2on t1.InventoryItemID=t2.InventoryItemID where t2.TrnDocumentID=16945
到目前为止,我得到的是:SELECT SUM(Value) AS TotDays, ClassId FROM MainTable GROUP BY ClassId)SELECT CASE WHEN COUNT(SiteId) > 0 THEN 1 ELSE 0 END AS NumDays
FROM Table2 GROUP