[SSH] java.sql.BatchUpdateException: Cannot delete or update a parent row:

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关于ssh中的关联问题，删除时候出现错误

[SSH] java.sql.BatchUpdateException: Cannot delete or update a parent row:

此时大多数是因为我们数据的设置问题，我们使用nvicat 修改下一下外键的删除设置问题，直接上图

删除时候，一般默认为restrict，，我们需要设置为cascade。经测验好使，本来楼主以为会级联把另一端删掉，但是没有出现想像中的情况出现。

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