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插队请教个问题,顺便提一个话,mysql的表结构设计相关的。
Last_SQL_Error: Error 'Cannot add or update a child row: a foreign key constraint fails (`product`.`targeting_criteria_description`, CONSTRAINT `fk_targeting_criteria_description_targeting_criteria_id` FOREIGN KEY (`targeting_criteria_id`) REFERENCES `targeting_criteria` (`id`))' on query. Default database: 'product'. Query: 'INSERT INTO `product`.`targeting_criteria_description` (`created_at`, `description`, `targeting_criteria_id`, `updated_at`) VALUES ('2012-11-06 08:40:38', 'Include: Sections: erosnow.com; ', 1803098, '2012-11-06 08:40:38')'
什么情况这个是?小弟对表设计不熟悉,那位大侠给科普一下? |
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