我需要从两个表中获取一些数据,1 个人,2 个任务, SQL 中的以下查询有效,而 Access 无效
SELECT Task_Id,
e2.emploeey_name AS W_FROM,
e1.emploeey_name AS W_TO,
t.Task_Details
FROM tasks AS T
INNER JOIN Employees AS e1 ON e1.Emploeey_id = T.Task_To
INNER JOIN Employees AS e2 ON e2.Emploeey_id = T.write_From
我试了很多方法,在谷歌上搜索也没有找到答案 如果有人有解决方案,我将不胜感激
最佳答案
你用括号试过吗? MS Access 需要(即喜欢)围绕多个 JOINS 的括号:
SELECT Task_Id,
e2.emploeey_name AS W_FROM,
e1.emploeey_name AS W_TO,
t.Task_Details
FROM
(
tasks AS T
INNER JOIN Employees AS e1
ON e1.Emploeey_id = T.Task_To
)
INNER JOIN Employees AS e2
ON e2.Emploeey_id = T.write_From
关于sql - Access 数据库中的双重内部连接,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/10332303/