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  • Mysql删除重复数据保留最小ID

    在网上查找删除重复数据保留id最小的数据,方法如下:

     1 DELETE FROM Teacher 
     2        WHERE Name IN(
     3                      SELECT Name 
     4              FROM Teacher 
     5              GROUP BY Name 
     6              HAVING COUNT(Name)>1
     7             )
     8     AND Id NOT IN(
     9              SELECT MIN(Id) 
    10              FROM Teacher 
    11              GROUP BY Name 
    12              HAVING COUNT(Name)>1 
    13             )
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    tailf
    tail
    cut
    split
    paste
  • 原文地址:https://www.cnblogs.com/longhao510/p/8299000.html
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