使用者:
UserID | UserName
--------------
1 Jack
2 Evelin
店:
ShopID | ShopName | ShopUserID
-------------------------------
1 Prague 1
2 Berlin 2
可以获取自动更新表:
ShopID | ShopName | ShopUserID
-------------------------------
1 Prague Jack
2 Berlin Evelin
我可以使用扳机吗?
谢谢!
最佳答案
请使用Join,请尝试以下查询:
Select s.shopID,s.ShopName,u.UserName from Shop as s Left Join Users as u on s.ShopUserID = u.UserID
输出将如下所示:
ShopID | ShopName | UserName
-------------------------------
1 Prague Jack
2 Berlin Evelin