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如何将 MySQL 一对多关联结果显示在一行的多个字段？
    表结构 CREATE TABLE `user` ( `shop_id` int(11) NOT NULL AUTO_INCREMENT, `user_id` varchar(36) NULL DEFAULT NULL, `goods_name` varchar(36) NULL ... Goods_B 还得考虑查询效率的问题，请问这个查询语句该怎么写？...
asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)
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