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Update multiple records by using ON DUPLICATE KEY UPDATE in MySQL
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mysql 使用insert into select....on duplicate key update 语句时,返回多条结果，值被最后一条数据覆盖问题解决_insert into select on dup-CSDN博客
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This story is counter stop to use ON DUPLICATE KEY UPDATE with MySQL - R-Hack（楽天グループ株式会社）
update the database query with ON DUPLICATE KEY UPDATE - Magento Stack Exchange
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