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MySQL新增失败:Duplicate解决方案
初学PHP时,常会遇到MySQL新增数据失败,提示主键重复Duplicate entry 0 for key PRIMARY的错误。这通常是因为主键冲突导致,可通过检查自增设置、确认字段值唯一性等方式排查并解决该问题。 1、 以注册为例,通过浏览器访问注册页面,按提示填写相关信息即可完成操作 ...
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