1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
| DROP TABLE IF EXISTS `test_table`;
CREATE TABLE `test_table` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(20) DEFAULT NULL,
`type` enum('First','Second','Third','Last') DEFAULT NULL,
`num` int(11) NOT NULL DEFAULT 0,
`price` decimal(10,2) NOT NULL DEFAULT 0.00,
PRIMARY KEY (`id`),
UNIQUE KEY `name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO `test_table` (`id`,`name`,`type`,`num`,`price`) VALUES
(1,'Art 1','First',1,10.50),
(2,'Art 2','Second',3,12.50),
(3,'Art 3','Second',2,15.50),
(4,'Art 4','Third',5,25.50),
(5,'Art 5','Last',2,5.50),
(6,'Art 6','First',12,1.50),
(7,'Art 7','Third',20,1.75),
(8,'Art 8','Last',100,11.90);
select * from `test_table`;
update `test_table` set num=0 where `type`='First';
select row_count();
delete from `test_table` where `type`='First' or `type`='Last';
select row_count();
INSERT INTO `test_table` (`name`,`type`,`num`,`price`) VALUES
('Art 10','First',1,10.50),
('Art 11','Second',3,12.50);
select row_count();
replace INTO `test_table` (`name`,`type`,`num`,`price`) VALUES
('Art 10','First',1,10.50),
('Art 11','Second',3,12.50);
select row_count();
|
