《MysqL学习mySQL查询中Limit、order的简单示例》要点：
本文介绍了MysqL学习mySQL查询中Limit、order的简单示例，希望对您有用。如果有疑问，可以联系我们。
本节内容：
mySQL查询中Limit、order的用法MysqL利用
例子：
MysqL利用
/*
MysqL> Drop table Item;
Query OK,0 rows affected (0.01 sec)MysqL利用
MysqL> CREATE TABLE Item
-> (
-> ID SMALLINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
-> Name VARCHAR(50) NOT NULL,
-> InStock SMALLINT UNSIGNED NOT NULL,
-> OnOrder SMALLINT UNSIGNED NOT NULL,
-> Reserved SMALLINT UNSIGNED NOT NULL,
-> Department ENUM('Classical','Popular') NOT NULL,
-> Category VARCHAR(20) NOT NULL,
-> RowUpdate TIMESTAMP NOT NULL
-> );
Query OK,0 rows affected (0.05 sec)MysqL利用
MysqL> INSERT INTO Item (Name,InStock,OnOrder,Reserved,Department,Category)MysqL利用
-> VALUES ('Bloodshot', 10, 5, 1,'Popular',
'Rock'),
-> ('Most', 10, 2,'Classical',
'Opera'),
-> ('Jazz', 17, 4, 3,
'Jazz'),
-> ('Class', 9, 4,
'Dance'),
-> ('Violin', 24, 2, 5,
'General'),
-> ('Cha Cha', 16, 6, 6,
'Vocal'),
-> ('Blues', 2, 25, 7,
'Blues'),
-> ('Pure', 32, 3, 18,
-> ('Mud', 12, 15, 19,
'Country'),
-> ('The', 5, 20, 11,
'New Age'),
-> ('Embrace', 24, 11, 12,
-> ('Magic', 42, 17, 13,
-> ('Lake', 25, 44, 24,
-> ('LaLala', 20, 10,
-> ('Soul', 15, 30, 16,
-> ('Stages', 42, 0,
-> ('Six', 16, 8,
'General');
Query OK,17 rows affected (0.00 sec)
Records: 17 Duplicates: 0 Warnings: 0MysqL利用
MysqL> select * from Item;
+----+-----------+---------+---------+----------+------------+----------+---------------------+
| ID | Name | InStock | OnOrder | Reserved | Department | Category | RowUpdate |
+----+-----------+---------+---------+----------+------------+----------+---------------------+
| 1 | Bloodshot | 10 | 5 | 1 | Popular | Rock | 2005-10-09 09:19:50 |
| 2 | Most | 10 | 5 | 2 | Classical | Opera | 2005-10-09 09:19:50 |
| 3 | Jazz | 17 | 4 | 3 | Popular | Jazz | 2005-10-09 09:19:50 |
| 4 | Class | 9 | 4 | 4 | Classical | Dance | 2005-10-09 09:19:50 |
| 5 | Violin | 24 | 2 | 5 | Classical | General | 2005-10-09 09:19:50 |
| 6 | Cha Cha | 16 | 6 | 6 | Classical | Vocal | 2005-10-09 09:19:50 |
| 7 | Blues | 2 | 25 | 7 | Popular | Blues | 2005-10-09 09:19:50 |
| 8 | Pure | 32 | 3 | 18 | Popular | Jazz | 2005-10-09 09:19:50 |
| 9 | Mud | 12 | 15 | 19 | Popular | Country | 2005-10-09 09:19:50 |
| 10 | The | 5 | 20 | 11 | Popular | New Age | 2005-10-09 09:19:50 |
| 11 | Embrace | 24 | 11 | 12 | Popular | New Age | 2005-10-09 09:19:50 |
| 12 | Magic | 42 | 17 | 13 | Classical | General | 2005-10-09 09:19:50 |
| 13 | Lake | 25 | 44 | 24 | Classical | Dance | 2005-10-09 09:19:50 |
| 14 | LaLala | 20 | 10 | 5 | Classical | Opera | 2005-10-09 09:19:50 |
| 15 | Soul | 15 | 30 | 16 | Popular | Blues | 2005-10-09 09:19:50 |
| 16 | Stages | 42 | 0 | 7 | Popular | Blues | 2005-10-09 09:19:50 |
| 17 | Six | 16 | 8 | 6 | Classical | General | 2005-10-09 09:19:50 |
+----+-----------+---------+---------+----------+------------+----------+---------------------+
17 rows in set (0.00 sec)MysqL利用
MysqL> SELECT ID,Name,InStock
-> FROM Item
-> WHERE Department='Classical'
-> ORDER BY ID DESC
-> LIMIT 3,4;
+----+---------+---------+
| ID | Name | InStock |
+----+---------+---------+
| 12 | Magic | 42 |
| 6 | Cha Cha | 16 |
| 5 | Violin | 24 |
| 4 | Class | 9 |
+----+---------+---------+
4 rows in set (0.00 sec)MysqL利用
*/MysqL利用
Drop table Item;MysqL利用
CREATE TABLE Item
(
ID SMALLINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
Name VARCHAR(50) NOT NULL,
InStock SMALLINT UNSIGNED NOT NULL,
OnOrder SMALLINT UNSIGNED NOT NULL,
Reserved SMALLINT UNSIGNED NOT NULL,
Department ENUM('Classical',
Category VARCHAR(20) NOT NULL,
RowUpdate TIMESTAMP NOT NULL
);MysqL利用
INSERT INTO Item (Name,Category)
VALUES ('Bloodshot', 'Rock'),
('Most', 'Opera'),
('Jazz', 'Jazz'),
('Class', 'Dance'),
('Violin', 'General'),
('Cha Cha', 'Vocal'),
('Blues', 'Blues'),
('Pure',
('Mud', 'Country'),
('The', 'New Age'),
('Embrace',
('Magic',
('Lake',
('LaLala',
('Soul',
('Stages',
('Six', 'General');MysqL利用
使用Limit、order的例子：
MysqL利用
select * from Item;MysqL利用
SELECT ID,InStock
FROM Item
WHERE Department='Classical'
ORDER BY ID DESC
LIMIT 3,4;MysqL利用
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