Cannot add or update a child row: a foreign key constraint fails (zqbp.zqbp_custom, CONSTRAINT zqbp_custom_ibfk_1 FOREIGN KEY (custom_trade) REFERENCES zqbp_industry (industry_id))
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zqbp_custom_ibfk_1这是什么?我明白这是外键约束的异常,但是不明白为什么给zqbp_custom加上_ibfk_1?
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外键约束啊, 一般就是外键错误了