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mysql在已有的表中插入记录行号_MySQL
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- 2016-06-01 13:43:321094browse
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mysql在已有的表中插入记录行号 1.先在已有的表中增加一列，用这一列来存记录行号
2.将记录行号插入表的这个新增字段中如：SET @mycnt = 0; UPDATE datamanagementSET rownum=(@mycnt := @mycnt + 1)WHERE industryid='38'ORDER BY dataid 作者 zdk8105 bitsCN.com
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