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📜  更新左连接mysql代码示例

📅  最后修改于: 2022-03-11 15:05:12.479000             🧑  作者: Mango

代码示例1
UPDATE  t1
LEFT JOIN
        t2
ON      t2.id = t1.id
SET     t1.col1 = newvalue
WHERE   t2.id IS NULL