duplicate entry for key
时间: 2023-09-29 21:03:54 浏览: 106
mysql #1062 –Duplicate entry ‘1’ for key ‘PRIMARY’
"Duplicate entry for key"错误是由于主键的唯一值重复导致的。当对数据库进行修改或插入操作时,如果主键的唯一值已经存在于表中,就会出现这个错误。这个错误也可能在表中存在多个相同的主键时发生。解决这个问题的方法有两种。第一种是如果主键不是必需的字段,可以考虑不使用主键。第二种是先去除表中的重复值,然后再进行操作。 <span class="em">1</span><span class="em">2</span><span class="em">3</span>
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