Oracle中去除重复项
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oracle如何删除重复的数据
在Oracle中,可以使用ROW_NUMBER()窗口函数结合DELETE语句来删除重复的数据。以下是一个示例:,,``sql,WITH cte AS (, SELECT *, ROW_NUMBER() OVER (PARTITION BY column1, column2 ORDER BY id) AS row_num, FROM your_table,),DELETE FROM cte WHERE row_num ˃ 1;,``