小编Anw*_*war的帖子

让我解释 ：

让我们假设我们有一个数据库“用户”：

ID   Name   Surname
===================
1    John   Doe
2    Foo    Bar
3    Foo    Baz

现在我想更改所有这三行。我将抛出以下插入：

INSERT INTO user (ID, Name, Surname) VALUES (1, 'John', 'Conor') ON DUPLICATE KEY UPDATE ID = 1, Name = 'John', Surname = 'Conor';
INSERT INTO user (ID, Name, Surname) VALUES (2, 'Foo', 'Bar') ON DUPLICATE KEY UPDATE ID = 2, Name = 'Foo', Surname = 'Bar';
INSERT INTO user (ID, Name, Surname) VALUES (3, 'Foo', 'Baz') ON DUPLICATE KEY UPDATE ID = 3, …