mysql取出指定范围数据limit offset分析与运用

传统写法

limit 偏移量,取出条数

SELECT * FROM yundou_management.service_order where order_status=1 order by id asc limit 108,8 ;

mysql5之后支持新写法,让人更容易理解

limit 取出条数 offset 偏移量

SELECT * FROM yundou_management.service_order where order_status=1 order by id asc limit 8 offset 108 ;

假如从第一条开始获取指定条数量,偏移量为0

SELECT * FROM yundou_management.service_order where order_status=1 order by id asc limit 0,8 ;
SELECT * FROM yundou_management.service_order where order_status=1 order by id asc limit 8 offset 0 ;

也可以简写成如下

SELECT * FROM yundou_management.service_order where order_status=1 order by id asc limit 8;

随着偏移量越来越大,查询速度会越来越慢,解决方案在之前的文章已经介绍过。

参考:mysql量级数据表的分页优化方案

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转载自blog.51cto.com/phpme/2421747