MySQL之limit使用

如emp表，

mysql> select * from emp;

+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename  | sex | salary | deptid | leaderid | birdate             | income              |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
|   1 | 马云   | 男  |      1 |   1000 |        0 | 1985-03-05 00:00:00 | 2008-05-06 00:00:00 |
|   2 | 李小龙 | 男  |  20000 |   1001 |        1 | 1983-06-07 00:00:00 | 2012-05-05 00:00:00 |
|   3 | 成龙   | 男  |  23000 |   1002 |        2 | 1973-06-07 00:00:00 | 2013-05-05 00:00:00 |
|   4 | 杨明   | 男  |  22000 |   1003 |        2 | 1993-06-09 00:00:00 | 2013-05-06 00:00:00 |
|   5 | 黎明   | 男  |  28000 |   1004 |        3 | 1992-08-09 00:00:00 | 2013-07-06 00:00:00 |
|   6 | 范冰冰 | 女  |  12000 |   1005 |        4 | 1994-08-09 00:00:00 | 2014-07-06 00:00:00 |
|   7 | 刘亦菲 | 女  |  19000 |   1006 |        5 | 1997-08-09 00:00:00 | 2011-07-03 00:00:00 |
|   8 | 唐嫣   | 女  |  39000 |   1007 |        6 | 1991-08-09 00:00:00 | 2015-07-03 00:00:00 |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+

拿表中 1 条数据

mysql> select * from emp limit 1;
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename | sex | salary | deptid | leaderid | birdate             | income              |
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+
|   1 | 马云  | 男  |      1 |   1000 |        0 | 1985-03-05 00:00:00 | 2008-05-06 00:00:00 |
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+

或者

mysql> select * from emp limit 0,1
;
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename | sex | salary | deptid | leaderid | birdate             | income              |
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+
|   1 | 马云  | 男  |      1 |   1000 |        0 | 1985-03-05 00:00:00 | 2008-05-06 00:00:00 |
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+


mysql> select * from emp limit 1,1
;
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename  | sex | salary | deptid | leaderid | birdate             | income              |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
|   2 | 李小龙 | 男  |  20000 |   1001 |        1 | 1983-06-07 00:00:00 | 2012-05-05 00:00:00 |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+

拿其中3条数据

mysql> select * from emp limit 2,3;
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename | sex | salary | deptid | leaderid | birdate             | income              |
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+
|   3 | 成龙  | 男  |  23000 |   1002 |        2 | 1973-06-07 00:00:00 | 2013-05-05 00:00:00 |
|   4 | 杨明  | 男  |  22000 |   1003 |        2 | 1993-06-09 00:00:00 | 2013-05-06 00:00:00 |
|   5 | 黎明  | 男  |  28000 |   1004 |        3 | 1992-08-09 00:00:00 | 2013-07-06 00:00:00 |
+-----+-------+-----+--------+--------+----------+---------------------+---------------------+

拿其中4条数据

mysql> select * from emp limit 2,4;
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename  | sex | salary | deptid | leaderid | birdate             | income              |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
|   3 | 成龙   | 男  |  23000 |   1002 |        2 | 1973-06-07 00:00:00 | 2013-05-05 00:00:00 |
|   4 | 杨明   | 男  |  22000 |   1003 |        2 | 1993-06-09 00:00:00 | 2013-05-06 00:00:00 |
|   5 | 黎明   | 男  |  28000 |   1004 |        3 | 1992-08-09 00:00:00 | 2013-07-06 00:00:00 |
|   6 | 范冰冰 | 女  |  12000 |   1005 |        4 | 1994-08-09 00:00:00 | 2014-07-06 00:00:00 |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+

拿 5条数据

mysql> select * from emp limit 1,5;
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
| eid | ename  | sex | salary | deptid | leaderid | birdate             | income              |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+
|   2 | 李小龙 | 男  |  20000 |   1001 |        1 | 1983-06-07 00:00:00 | 2012-05-05 00:00:00 |
|   3 | 成龙   | 男  |  23000 |   1002 |        2 | 1973-06-07 00:00:00 | 2013-05-05 00:00:00 |
|   4 | 杨明   | 男  |  22000 |   1003 |        2 | 1993-06-09 00:00:00 | 2013-05-06 00:00:00 |
|   5 | 黎明   | 男  |  28000 |   1004 |        3 | 1992-08-09 00:00:00 | 2013-07-06 00:00:00 |
|   6 | 范冰冰 | 女  |  12000 |   1005 |        4 | 1994-08-09 00:00:00 | 2014-07-06 00:00:00 |
+-----+--------+-----+--------+--------+----------+---------------------+---------------------+

总结：  limit后面能够接一个数字，表示拿几条数据，默认从第一条开始拿； limit后面能够接两个数字，第一个数字表明 从该数字起， 第二个数字表明 拿多少条。