java.sql.SQLIntegrityConstraintViolationException: Duplicate entry ‘****‘ for key ‘****.****‘
时间: 2023-09-06 19:11:20 浏览: 70
根据提供的引用,"java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '****' for key '****.****'"的错误是由于数据库中已经存在相同的条目导致的。具体来说,是由于数据库的唯一索引约束,该索引要求特定字段的值是唯一的,但在插入时发现已经存在相同的值。解决这个问题的方法是删除重复的条目或修改插入的值,以确保唯一性。
此外,还有一种可能性是外键约束的问题,具体来说是由于中间表的外键默认的删除行为设置为RESTRICT,这意味着当在父表中删除记录时,如果在中间表中仍存在引用该记录的外键,则会阻止删除操作。解决这个问题的方法是修改外键约束的删除行为,可以将其设置为No Action或Restrict,以允许删除操作。<span class="em">1</span><span class="em">2</span>
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- *2* [Caused by: java.sql.SQLIntegrityConstraintViolationException: Cannot delete or update a parent row:](https://download.csdn.net/download/weixin_38500572/13684759)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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