删除重复的 SQL 记录 [英] Delete Duplicate SQL Records

问题描述

删除表中具有重复名称的记录的最简单方法是什么?我遇到的答案非常混乱.

What is the simplest way to delete records with duplicate name in a table? The answers I came across are very confusing.

从表中删除重复记录

推荐答案

我明白了！简单而且效果很好.

I got it! Simple and it worked great.

delete 
   t1 
from 
   tTable t1, tTable t2 
where 
   t1.locationName = t2.locationName and  
   t1.id > t2.id 

http://www.cryer.co.uk/brian/sql/sql_delete_duplicates.htm

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