mysql

mysql> select * from student where name = "ele36" and address = "dongguan398";
+-------+-------+-------------+
| id    | name  | address     |
+-------+-------+-------------+
| 12314 | ele36 | dongguan398 |
| 15034 | ele36 | dongguan398 |
+-------+-------+-------------+

mysql> select * from student where name = "ele36" limit 0,1;
+----+-------+------------+
| id | name  | address    |
+----+-------+------------+
| 36 | ele36 | dongguan36 |
+----+-------+------------+

mysql> select * from student where name = "ele36" limit 0,2;
+-------+-------+-------------+
| id    | name  | address     |
+-------+-------+-------------+
|    36 | ele36 | dongguan36  |
| 12016 | ele36 | dongguan900 |
+-------+-------+-------------+

mysql> select * from student where name = "ele36" limit 1,2;
+-------+-------+-------------+
| id    | name  | address     |
+-------+-------+-------------+
| 12016 | ele36 | dongguan900 |
| 12314 | ele36 | dongguan398 |
+-------+-------+-------------+
2 rows in set (0.02 sec)

mysql> select * from student where name = "ele36" limit 1,4;
+-------+-------+-------------+
| id    | name  | address     |
+-------+-------+-------------+
| 12016 | ele36 | dongguan900 |
| 12314 | ele36 | dongguan398 |
| 12894 | ele36 | dongguan615 |
| 15034 | ele36 | dongguan398 |
+-------+-------+-------------+
4 rows in set (0.02 sec)

mysql> select * from student where name = "ele36" limit 1,5;
+-------+-------+-------------+
| id    | name  | address     |
+-------+-------+-------------+
| 12016 | ele36 | dongguan900 |
| 12314 | ele36 | dongguan398 |
| 12894 | ele36 | dongguan615 |
| 15034 | ele36 | dongguan398 |
| 15493 | ele36 | dongguan787 |
+-------+-------+-------------+
5 rows in set (0.02 sec)

mysql> select * from student where id = (select max(id) from student);
+-------+--------+-------------+
| id    | name   | address     |
+-------+--------+-------------+
| 19999 | ele115 | dongguan131 |
+-------+--------+-------------+
1 row in set (0.02 sec)

mysql> select count(*) from student;
+----------+
| count(*) |
+----------+
|    19998 |
+----------+
1 row in set (0.00 sec)

mysql> select * from student order by id desc limit 1;
+-------+--------+-------------+
| id    | name   | address     |
+-------+--------+-------------+
| 19999 | ele115 | dongguan131 |
+-------+--------+-------------+
1 row in set (0.00 sec)

mysql> select * from student order by id desc limit 0,1;
+-------+--------+-------------+
| id    | name   | address     |
+-------+--------+-------------+
| 19999 | ele115 | dongguan131 |
+-------+--------+-------------+
1 row in set (0.00 sec)

mysql> select * from student order by id desc limit 1,1;
+-------+--------+-------------+
| id    | name   | address     |
+-------+--------+-------------+
| 19998 | ele421 | dongguan469 |
+-------+--------+-------------+
1 row in set (0.00 sec)

mysql> SELECT * FROM student where name = "ele1";
+-------+------+-------------+
| id    | name | address     |
+-------+------+-------------+
|     1 | ele1 | dongguan1   |
| 10431 | ele1 | dongguan878 |
| 10557 | ele1 | dongguan887 |
| 12282 | ele1 | dongguan938 |
| 12449 | ele1 | dongguan225 |
| 13359 | ele1 | dongguan15  |
| 14320 | ele1 | dongguan473 |
| 15312 | ele1 | dongguan310 |
| 17531 | ele1 | dongguan952 |
| 18257 | ele1 | dongguan998 |
| 18291 | ele1 | dongguan991 |
| 18982 | ele1 | dongguan826 |
+-------+------+-------------+
12 rows in set (0.03 sec)

mysql> SELECT * FROM student where name = "ele1" order by address;
+-------+------+-------------+
| id    | name | address     |
+-------+------+-------------+
|     1 | ele1 | dongguan1   |
| 13359 | ele1 | dongguan15  |
| 12449 | ele1 | dongguan225 |
| 15312 | ele1 | dongguan310 |
| 14320 | ele1 | dongguan473 |
| 18982 | ele1 | dongguan826 |
| 10431 | ele1 | dongguan878 |
| 10557 | ele1 | dongguan887 |
| 12282 | ele1 | dongguan938 |
| 17531 | ele1 | dongguan952 |
| 18291 | ele1 | dongguan991 |
| 18257 | ele1 | dongguan998 |
+-------+------+-------------+
12 rows in set (0.03 sec)

mysql> SELECT * FROM student where name = "ele1" order by address limit 5;
+-------+------+-------------+
| id    | name | address     |
+-------+------+-------------+
|     1 | ele1 | dongguan1   |
| 13359 | ele1 | dongguan15  |
| 12449 | ele1 | dongguan225 |
| 15312 | ele1 | dongguan310 |
| 14320 | ele1 | dongguan473 |
+-------+------+-------------+
5 rows in set (0.03 sec)

mysql> SELECT * FROM student where name = "ele1" order by address desc limit 5;
+-------+------+-------------+
| id    | name | address     |
+-------+------+-------------+
| 18257 | ele1 | dongguan998 |
| 18291 | ele1 | dongguan991 |
| 17531 | ele1 | dongguan952 |
| 12282 | ele1 | dongguan938 |
| 10557 | ele1 | dongguan887 |
+-------+------+-------------+