Question

需要协助！我有2个表：Employee (Per_Code, Per_Name, Dept_Name) | Task (Dest_ID, Destination, Salary)作为数据源。现在我制作另一张表Employee_Salary (Per_Code, Per_Name, Dept_Name, Dest_ID, Destination, Date, Duration, Salary)。

我的SQL声明：

INSERT INTO Employee_Salary (Per_Code, Per_Name, Dept_Name, Dest_ID, Destination, Date, Duration, Salary) 
VALUES (
'1001', 
(SELECT Per_Name FROM Employee WHERE Per_Code=1001), 
(SELECT Dept_Name FROM Employee WHERE Per_Code=1001), 
(SELECT Dest_ID FROM Task WHERE Destination="CityA"), 
'CityA', 
'2014-07-07', 
'3', 
(SELECT Salary FROM Task WHERE Destination="CityA")
);

但它说“查询输入必须包含至少一个表或查询”。我的SQL语句是错的吗？请帮帮我......任何人！

Answer 1

可能是这样的东西

INSERT INTO Employee_Salary 
       (Per_Code, Per_Name, Dept_Name, Dest_ID, Destination, Date, Duration, Salary) 
SELECT '1001',E.Per_Name,E.Dept_Name,T.Dest_ID,'CityA','2014-07-07','3',T.Salary 
From Employee E CROSS JOIN Task T 
WHERE E.Per_Code=1001 AND T.Destination='CityA'

或者：

INSERT INTO Employee_Salary 
       (Per_Code, Per_Name, Dept_Name, Dest_ID, Destination, Date, Duration, Salary) 
SELECT '1001',E.Per_Name,E.Dept_Name,T.Dest_ID,'CityA','2014-07-07','3',T.Salary 
From Employee E,Task T 
WHERE E.Per_Code=1001 AND T.Destination='CityA'

使用VALUES和SELECT STATEMENT插入

1 个答案: