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建站问答 时间:2024-12-01 19:16:59
作者:文/会员上传
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mysql中实现排序的方法有以下几种通过在数据表使用以下命令实现的排序1.单列排序SELECT * FROM test1 ORDER BY date_time2.多列排序 SELECT * FROM test1 ORDER BY `statu
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通过在数据表使用以下命令实现的排序
1.单列排序
SELECT * FROM test1 ORDER BY date_time
2.多列排序
SELECT * FROM test1 ORDER BY `status`, date_time DESC
3.自定义排序
SELECT * FROM test1 ORDER BY FIELD(`status`, 3, 2, 4, 1, 5), date_time DESC
4.条件排序
SELECT * FROM test1 ORDER BY date_time < NOW(), IF(date_time < NOW(), 0, date_time), date_time DESC
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