随笔分类 -  MySQL语句

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联表查询
摘要：SELECT a.*,b.brand_name FROM `pd_product` AS a LEFT JOIN `pd_product_brand` AS b ON status < 3 AND a.brand_id = b.brand_id; 只要 pd_product_brand 表里的 br 阅读全文
posted @ 2022-04-06 09:58 励志成为IT大佬的菜鸟 阅读(32) 评论(0) 推荐(0)