解析mysql数据库还原错误:(mysql Error Code: 1005 errno 121)
原因大致是主键必须是唯一的,也就是数据库里可能存在和现还原数据库有重复的地方,a restriction that Foreign Keys should be uniquely named throughout the database , 一个有效的办法就是将原来的数据库清除后再创建还原。 本人这回的原因是新装的mysq
原因大致是主键必须是唯一的,也就是数据库里可能存在和现还原数据库有重复的地方,a restriction that Foreign Keys should be uniquely named throughout the database , 一个有效的办法就是将原来的数据库清除后再创建还原。
本人这回的原因是新装的mysql的ibdata1备份文件被我换成之前数据库的ibdata1备份文件了,本来想通过这方法来强制还原的,,但是没做到,结果用备份sql文件还原以前数据的数据库时也出错,将被替换的ibdata1文件再还原回去即可解决。

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