ROW_NUMBER() OVER函數的基本用法

https://jingyan.baidu.com/article/9989c74604a644f648ecfef3.html 語法：ROW_NUMBER() OVER(PARTITION BY COLUMN ORDER BY COLUMN) 方法/步驟 簡單的說row_number()從1開始，爲每一條分組記錄返回一個數字，這裏的ROW_NUMBER() OVER (ORDER BY xlh D

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