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limit 与offset的用法(转载)
2022-07-07 21:54:00 【流楚丶格念】
limit 与offset的用法
在mysql中一般使用limit来实现分页
1、LIMIT后面跟一个参数,表示要提取的数量。
如 :select* from test LIMIT 3
指提取前三条数据,类似sqlServer的top语法。
2、LIMIT后面跟两个参数时,第一个参数是指第几行,第二个参数是取几条数据。
如: select * from test limit 2,3;
这个SQL是指从第二行的下一行开始向下取3条数据。(即取:3,4,5行的三条数据)
3、LIMIT和OFFSET组合使用时,LIMIT后面只能有一个参数,表示要提取的数量,offset后面的数字则表示第几行。
如:select * from test LIMIT 3 offset 2;
这个SQL是指从第二行的下一行开始向下取3条数据。(即取:3,4,5行的三条数据)
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