Home >Database >Mysql Tutorial >mysql优化-急急急！！mysql，查询中ORDER BY A,B,C DESC 太慢，如何优化？？
mysql优化-急急急！！mysql，查询中ORDER BY A,B,C DESC 太慢，如何优化？？
- WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOriginal
- 2016-06-06 09:34:131701browse
mysqlmysql优化sql数据库mysql数据库
急急急！！mysql，查询中ORDER BY A,B,C DESC 太慢，如何优化？？急急急！！mysql，查询中ORDER BY A,B,C DESC 太慢，如何优化？？
查询50万条数据，慢死了
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：mysql 数据库的更新 以时间为一列 时间改变 整一行的数据跟着改变的语句怎么写？Next article：请教oracle 转化mysql