帶有三個表的MySQL更新查詢

Question

我目前正在嘗試根據三個表之間的連接來編寫sql語句，並且我不斷遇到相同的錯誤。 這是我的代碼：

UPDATE l SET name=n.title FROM location as l INNER JOIN location_instance as i ON l.lid=i.lid INNER JOIN node as n ON n.nid = i.nid

總共有三個表：[location：（lid，name）]，[location_instance（nid，lid）]和[node（nid）]。

抱歉，如果我的問題與您無關，我仍然是該領域的初學者。 謝謝

Answer 1

update沒有from子句

UPDATE location as l
INNER JOIN location_instance as i
ON l.lid=i.lid 
INNER JOIN node as n 
ON n.nid = i.nid
SET l.name=n.title

Answer 2

請嘗試以下操作：

UPDATE location as l SET name=n.title 
INNER JOIN location_instance as i ON l.lid=i.lid 
INNER JOIN node as n ON n.nid = i.nid