mysqlorder by
时间: 2023-08-30 08:08:38 浏览: 81
MySQL ORDER BY 的实现分析
ORDER BY 关键字是用于对查询结果进行排序的。它可以按照指定的列进行排序,可以是单列或多列,排序的顺序可以是升序或降序。语法格式如下:SELECT column_name,column_name FROM table_name ORDER BY column_name,column_name ASC|DESC; [1][2]
在使用ORDER BY时,可以按照字段名进行排序,也可以按照索引进行排序。同时,还可以指定排序的顺序,可以是升序(ASC)或降序(DESC)。另外,也可以通过指定多个列进行排序,以满足更复杂的排序需求。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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