order by desc limit
No, you shouldn't do this. Without an ORDER BY clause you shouldn't rely on the order of the results being the same from query to query., Order by desc/asc limit M是我在mysql sql优化中经常遇到的一种场景，其优化原理也非常的简单，就是利用索引的有序性，优化器沿着索引的顺序 ...,The MySQL SELECT LIMIT statement is used to retrieve records from one or ... WHERE website = 'TechOnTheNet.com' ORDER BY contact_id DESC LIMIT 5;. ,Use a subquery to get ascending order: ... done_sum, id FROM spent_vs_done WHERE project_id="14" ORDER BY id DESC LIMIT 3 ) t ORDER BY t.id. ,不過，如果WHERE 子句存在的話，它是在ORDER BY 子句之前。 ASC 代表結果會以由小往大的順序列出，而DESC 代表結果會以由大往小的順序列出。 如果兩者皆 ... , 连起来就是我们age1这一列，从大到小排序，其中的limit 2就表示取排序后的最开始的那2条 ... select * from tb_shop id order by id desc limit 0,1., 我今天正在对一些慢速SQL查询进行故障排除,并且不太了解下面的性能差异：当尝试根据某些条件从数据表中提取max(时间戳)时,如果存在匹配的行 ..., 我今天正在对一些慢速SQL查询进行故障排除,并且不太了解下面的性能差异： 当尝试根据某些条件从数据表中提取max(时间戳)时,如果存在匹配的 ...,It is used in the SELECT LIMIT statement so that you can order the results and target those records that you wish to return. ASC is ascending order and DESC is ... , 昨天接到一个客户的问题，电脑上可以打开网站，在手机上确不能打开报500的错。首先登陆上客户的服务器查看环境apache+mysql+php，php ...
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 order by desc limit 相關參考資料
MySQL limit from descending order - Stack Overflow
No, you shouldn't do this. Without an ORDER BY clause you shouldn't rely on the order of the results being the same from query to query. https://stackoverflow.com MySql sql优化之order by descasc limit M | OurMySQL
Order by desc/asc limit M是我在mysql sql优化中经常遇到的一种场景，其优化原理也非常的简单，就是利用索引的有序性，优化器沿着索引的顺序 ... http://ourmysql.com MySQL: SELECT LIMIT Statement - TechOnTheNet
The MySQL SELECT LIMIT statement is used to retrieve records from one or ... WHERE website = 'TechOnTheNet.com' ORDER BY contact_id DESC LIMIT 5;. https://www.techonthenet.com ORDER BY id DESC LIMIT 3 - Stack Overflow
Use a subquery to get ascending order: ... done_sum, id FROM spent_vs_done WHERE project_id="14" ORDER BY id DESC LIMIT 3 ) t ORDER BY t.id. https://stackoverflow.com SQL ORDER BY - 1Keydata SQL 語法教學
不過，如果WHERE 子句存在的話，它是在ORDER BY 子句之前。 ASC 代表結果會以由小往大的順序列出，而DESC 代表結果會以由大往小的順序列出。 如果兩者皆 ... https://www.1keydata.com sql order by,desc和limit使用(mysql) - Terry__Back的博客 ...
连起来就是我们age1这一列，从大到小排序，其中的limit 2就表示取排序后的最开始的那2条 ... select * from tb_shop id order by id desc limit 0,1. https://blog.csdn.net sql – max()与ORDER BY DESC LIMIT 1的性能- 代码日志
我今天正在对一些慢速SQL查询进行故障排除,并且不太了解下面的性能差异：当尝试根据某些条件从数据表中提取max(时间戳)时,如果存在匹配的行 ... https://codeday.me sql – max()与ORDER BY DESC LIMIT 1的性能- 程序园
我今天正在对一些慢速SQL查询进行故障排除,并且不太了解下面的性能差异： 当尝试根据某些条件从数据表中提取max(时间戳)时,如果存在匹配的 ... http://www.voidcn.com SQL: SELECT LIMIT Statement - TechOnTheNet
It is used in the SELECT LIMIT statement so that you can order the results and target those records that you wish to return. ASC is ascending order and DESC is ... https://www.techonthenet.com 记一次order by desc limit导致的查询慢-Technology Way ...
昨天接到一个客户的问题，电脑上可以打开网站，在手机上确不能打开报500的错。首先登陆上客户的服务器查看环境apache+mysql+php，php ... https://blog.51cto.com |