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mysql添加外键报错: 1452 Cannot add or update a child row:a foreign key constraint fails
企业开发
2023-08-11 19:05:35
阅读次数: 0
关于上述问题,在开发时需要配置主外键,我有AB两个表,A表中的公司名称列company_name,B表中的归属公司列attribution,以A表为主表,B表为从表。
其中A表中名称有数据,但B表是新建列,没有写入数据,所以报错,在B表中新增数据后,完成主外键配置。
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转载自
blog.csdn.net/Joker6578/article/details/125215041
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