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摘要: 方法1 : SELECT distinct o.product_id FROM ( SELECT product_id, year(purchase_date) year, dense_rank() over(partition by product_id order by year(purchas 阅读全文
posted @ 2024-08-21 22:11 萌哥-爱学习 阅读(1) 评论(0) 推荐(0) 编辑