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摘要: --构造原始数据CREATE TABLE #T(N VARCHAR(10))--插入数据INSERT INTO #T (N)VALUES ('A')--方式一:一句话删除重复数据(无主键) DELETE t FROM (SELECT *, ROW_NUMBER() OVER(ORDER BY N... 阅读全文
posted @ 2014-06-12 12:39 幻天芒 阅读(293) 评论(2) 推荐(1) 编辑