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我的更新查询SQL Server作为如下:SQL服务器相当于加入甲骨文更新
Update Project set Name=Project.Name+' assignedTo '
FROM Project
INNER JOIN EmployeeProject ON Project.ID = EmployeeProject.ProjectID
INNER JOIN Employee ON EmployeeProject.EmployeeID = Employee.ID
WHERE (Employee.Name = N'Minion')
的是等效的Oracle query.My尝试如下:
Update (SELECT Project.Name as ProjectName,Employee.Name as EmpName
FROM Project
INNER JOIN EmployeeProject ON Project.ID = EmployeeProject.ProjectID
INNER JOIN Employee ON EmployeeProject.EmployeeID = Employee.ID
where Employee.Name=N'Minion'
) T
set T.ProjectName=' somting'
但给我的错误不能修改列它映射到一个非键保存表。SQL Server服务器工作正常。
@ a_horse_with_no_name可以为您而发帖回答 – decoder