2 like 0 dislike
2.3k views
There is a table named `books` with five field which are `serial` `book_name` `author` `price` and `publisher` and another table named `comment` with two field which are `serial` and `content`. The `comment`.`serial` is connect to the `books`.`serial`. Please write a php script to list all books and its comment count.
[Exercise] Essay (Open question) - asked in 2016-2 CSIEB0270 - Internet System Design and Practice by (18k points)
ID: 24996 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00

reshown by | 2.3k views
0 0
Called for Help

11 Answers

0 like 0 dislike
Hidden content!
** ***** **** html>
* ***
* * ***
** *** ** ** ** * * ** * ***** *** * *** * *
* ***** * **** * * * ** * * * * ** **** * * * *** * ** * />
* * ** * *
* * *
* * * *** *** * * * * ** * **
** * * ***** ** ** ** * *** * *** * ** ****** />
* * ****
** **
* * * ** *** ** *** **** * *** *
* * ***** *** * * * **** ** ** * ** * * />
* * * **
** *****
* * ** * * **** * * ****** ** *** * * *
* ***** * *** ***** * **** * * ** * * ** **** * *** * ** * ** * *** *** * *
* * ***
*** * ** ***
* * ** * * ** ** * * * * ** />
* ** * * *** *** * * * * />
* *
*** * *
***** **
*** *
* * *
if ** ** * ** ****
* * * ** * *** *
exit();
}
?>

* * **
if **** ***** ** **
echo * *** *** *** *** *** * **** *
}else{
***** * **** * * *** * ?>
** * * * ** ** ** *
** *
* * * *** ** * echo ** * * ** ?>'s * * *** *

* * * ** * ** ***** ** * * * * ***** *** * *** ** ** * * * ** * * **
* * * **
* * ** *
** ********* **** * ***
* *** * echo **** **** ** ** ?>

<a ** * ** * * *** * * * * **** * **
**** * * * *
<div ** * * * * *********
* *** ** include 'nav.php' ?>
* * * * **
*** * ** *
** *
answered by (-233 points)
0 like 0 dislike
Hidden content!
* * ** * **** **** * * ***** ** *
answered by (-32 points)
0 like 0 dislike
Hidden content!
*** * ** * *** ** * * ** * ** * ***
answered by (-61 points)
0 like 0 dislike
Hidden content!
** * * *
* = * * * ** * * ** FROM * *
** * * = * * *** ** *


* * ($row = ** ** ** * * * {
* * = ** *
** * * * ****** ** * as * ** * * {
*** = * * * . ** ** * * . *** * * . *** ** . ** *

}


* = ** ** * * INTO * **** * **** * * *** * *** *** *
* * * .= * * ** ** ', * *


* **

}
* *
answered by (157 points)
0 like 0 dislike
Hidden content!
<!DOCTYPE html>

<html>

    <head>
* * **** *** * * * ** * * ** **** * *** * *** * 3</title>

        

    </head>

    <body>

        <?php
** ******* * * ** * * ** * * **** * *** * * * *** ** * * ** * ** *
* **** * * * * ** ** *** * ** * * ** * ** * * ** *****
** * *** **** ***** ** **** ** * ** * ** ***** ** * * ** * *** * * ** *
* ** * ** ** * * ** ****** * *** ** * * * * ** ** * ***

        
*** ***** *** ********* ****** * * * * * * * * ** * = @mysqli_connect($host,$username,$password,$db);
** ******** * ******* * * ** * * * ** ** * ** * * * ** * (!$try1)
** *** ***** * ******** * **** ** ** ** ** * ** * * * * ** * *** *
* * * * * * *** * * ** ** ** **** **** **** ** * ** * ***** *** ** * * * ** ** *** not connect: '.mysqli_error($try1));
** *** ** ** ** ***** * ** ** *** * * ** * **** *
* ***** ** * * * * * ** **** * *** ** * * * **** **** * mysqli_select_db($con,"students");
*** *** ** * ** **** **** * * ** * * *** * **** ** ** * **** * * books.serial, books.book_name, books.author, books.price ,COUNT(coment.comment) AS COMMENTS FROM coment

LEFT JOIN books on coment.Serial=books.serial

GROUP BY serial";
** ** * **** *** * * * *** * ** ** * **** *** ** * ** * * * ** * ** * ** ****

        
***** ** *** ** * * * * * *** * * * *** ** * * ** ** **** *** * * * "<table>
* * *** *** * * *** * ** * ** * * * ** ** ** * * * * * ** **** * ** * ** ****
* **** ***** * ** * * ** * *** *** * * ** * * * *** ** * * ****** **** * *** ** ** ****** *** *** * * **
* ** ** ** **** * * ** * * *** ** ** ** ** * **** ** *** ** **** * * * * * *** *** *** * * ***** Name</th>
* *** ** ** ** * ** * * *** *** * * * * ** ** ** ** * * * ** * **** ** * * ****** * * ** * * * ** *** ** * **
* *** * ** ** ** *** * * * * ** ** **** **** ** ** * ** * ** ** * * *** ** ** * * ** * ** ****** * * ** * * ****
** ** * * * * *** ** ** * ** * **** ** * * * ******** ** ** ** * * * * * * * * * * * ** *** * **** * *** ** * * *
*** ** ** ** * * ** *** * * ** * *** * ** * * *** * * * * * ** * **** ** ******* * * * * * **
* *** * ** **** *** * * ** * * * * * *** * ** * * ** **** ** * * (!$result)
* **** ** ** * *** ** *** ***** ** * ***** ** ** * ** *** ** *****
* *** ****** * **** ** * * * * * ** ****** ** ** * * *** * *** * * * *** * **** * **** *** **** * "Error: ".mysqli_error($con);
* ** * ** * * ** * * * ** *** **** * * * ** ******** * ** *** ** * ** * *** ******* ***
*** ** *** * ****** ***** **** * *** * *** *** ** **** **** ** * ***
* ** ** * * * * * * *** * *** *** * * ** * ********** * * ** * * ** * * ($row=mysqli_fetch_array($result))
* * ** * * * ** ** *** ** * ** * * * ** ** * *** * * *
* * **** * ** ** *** ** *** ** * ** **** * * * * *** * * * * * **** * ***** **** *** *** ** * "<tr>";
*** * ** * ** *** * ** * *** *** ** * *** ** ** *** * ** * * ****** * * ** * * ** * ** * ** * * ******* * * * * **** ** ** ****** * ******
* * ******** ** * * ***** * ** **** * ** ** *** ** * ** * ** *** ** ** *** * * * **** * ** ** ** ** **** * **** * ***** *** **** **
* * * * *** *** **** * ***** * * *** * ** ** **** * * * ** ** ** * * ** ** * * * ** * *** *** ******** * ** * * * *** ****** * ** ** ** * *
** ** * * **** * ** ** ** * *** ***** *********** * * *** ***** ***** * *** * *** "<td>".$row['price']."</td>";
* ***** * * *** * ** * *** * ** * ******* ** * ** * **** ** * * * * * * ** * * * **** ** *** ** ***** * * * ** * * ** ** **
** ******** **** ** ****** * ** ** *** * ****** *** * * ** * ** ** * * * *** "</tr>";
* * ***** ** * **** * * **** * * * * * ** * * * ** * **
* ******** * ** * ***** * ****** *** *** * * **** * * **** "</table>";
**** **** * * *** *** * * * ****** * * * * * * ****** * *** ****** * * ($con);

    </body>



</html>
answered by (30 points)
0 like 0 dislike
Hidden content!
<!DOCTYPE html>

<html>

    <head>
* ** * ** * ** * ** * * * *** * * *** ******* * * ** * * #3</title>

        

    </head>

    <body>

        <?php
********** *** * * ** ** ** * ** * * * * * ***** ** * * * ** *** *
** **** ** **** * **** * ** **** ** * *** * * ** *** *** * * * *****
* * *** * *** * **** * ** **** **** * ** * * *** ** * **** * **** *** *
* * **** ** ** ** * *** ** ***** * * ** **** * * ** * * ** *** * **

        
** ** * * * * * ** * ** * * * ** * ** * * *** * * ** *** = @mysqli_connect($host,$username,$password,$db);
* ** **** ** * * **** *** * ** * * * ****** * * ** * * * (!$con)
* * *** * ** ******* * ******** ** * * * ** ** *** * * *** ***** *
* * ** ** * * **** * * * ***** * * ** *** ** *** ** ******* ****** *** * ** * * * not connect: '.mysqli_error($con));
** * * **** * * * * * * * * * * ** * * * ******* **
** * *** ** ** * * * * *** * ******** *** * ** * * *** ** * *** * * *** ** * books.serial, books.book_name, books.author, books.price ,COUNT(coment.comment) AS COMMENTS FROM coment

LEFT JOIN books on coment.Serial=books.serial

GROUP BY serial";
* *** * * * ** ** **** ** * **** ** ** * ** * * * * ** *** * *

        
** ** ***** ** **** * ** * **** * *** * * * ** **** * * * * * "<table>
* * *** ** ** * * *** * * * ** ** * **** * * * * ** * ** * * ** ** **** * ** *****
* **** * ** *** ***** ****** ** *** * * * ** * * * * * ** * ** * *** * *** ** * * * ** * *
* * *** ** ** * ** * * ** ** **** * **** ** * *** * * * ******** * * ****** * ** ** ** Name</th>
**** ** ** * ** **** * * ** * *** * * ** ** **** * **** * ****** ***** *** * ** ***** * * * * * ** ** * ****** ***
* * * * * **** ** * *** * * * ** * * * ** **** ** * * **** ** *** * *** * *** * ******* * *
* * * ** ** *** * * ** * ** * * ** * ** *** * ***** *** * ** ** *** ** *** ** ** *** *** * **** ****
* * ** * * * * * * * * * *** **** * * * ********* * * * * * * * * *** * * * **
* ** ** **** ** * * ******* * * * * * ****** * * **** ** (!$result)
****** * ******* * * * * **** *** * ** * * **** * * * **
* * * * *** * ** ** * * * ** * *** ** ** ** *** * ** ** * **** ** * ** * **** ** *** ** * ** "Error: ".mysqli_error($con);
**** ** * * ** *** ** ***** ****** * ***** ** * * * * ** ** * * ** * *** ***
**** *** * **** ** * * ** *** * ** * ** * * ** **
** * * *** * * * ** *** ** * * * * *** * ** ** *** * * * ($row=mysqli_fetch_array($result))
* **** ** * **** * *** * ** ** ** * * * ****** * ** * ****** **
* * * * * ** * * * ** * * * ** *** **** * * ** * ** * * * ** * *** *** ** * "<tr>";
* * **** ** **** *** * ** * **** * * ** ** ** * ******** *** *** * ** ** * *** * * * * * *** * ** ** * **** ** ** * ** * * ** * **** * * * **
*** * ** * * ** * * ** *** * ******* * ****** *** * **** * ** * ** * ******** ** ** ** ** ** ** * * * ****** * * * ** **** ****** ** ** * ** * * ** ****
* ** * * *** ** *** * ** * ** **** ** ****** ** ** * ***** **** * ****** * ** * * ** * * *** ** ** * ** * ***** * ** ** * **** ** ** **
* ****** * * ** * * * * ****** * *** ** *** * * * ***** * ** ** * ****** * * *** "<td>".$row['price']."</td>";
*** ** * * * **** ** *** * * **** **** ** ******* ** *** **** * ** ** ** * * * * * * **** * ****** * * * ** * *** ** * *** ****
* **** ** **** * *** ***** * ** ** *** ***** **** * * ******* * * ** * * * *** *** "</tr>";
* * ** * * *** * *** * * ** *** ** * * * * * ** **** *****
** * ** * *** ** **** * * ** * * * * ** * **** *** ** ** * ** * "</table>";
*** * * *** * * *** * ** * * * ** * ** ** * * * ** * ** ** * **** ($con);

    </body>



</html>
answered by (-168 points)
0 like 0 dislike
Hidden content!
* ***** * * *** ** **** *** * * * **
answered by (-335 points)
0 like 0 dislike
Hidden content!
* * * ** * **** ** *** ** * ** *
answered by (-144 points)
0 like 0 dislike
Hidden content!
* ** ** * ****** * ** * *** ****** * **** **
answered by (16 points)
0 like 0 dislike
Hidden content!
**
***** = *** * *** * ***** * * *
** * = ****** **
** * = * ** * ** **** {
**** = * *
*** * ** * * * * as * ** * {
**** = **** ** . ** *** *** ** . * * . ** * . ** **
}

= * * ** * *** ** * *** ** * *
** * *** ** **

*** ** * *
}
**
answered by (-434 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.50.27
©2016-2025

Related questions

1 like 0 dislike
14 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24998 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 2.5k views
3 like 0 dislike
23 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 3.2k views
3 like 0 dislike
20 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24995 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 2.7k views
3 like 0 dislike
23 answers
[Exercise] Essay (Open question) - asked Jun 15, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24994 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 3.2k views
2 like 0 dislike
24 answers
[Exercise] Essay (Open question) - asked May 17, 2017 in 2016-2 CSIEB0270 - Internet System Design and Practice by Shun-Po (18k points)
ID: 24646 - Available when: 2017-05-18 09:30:00 - Due to: 2017-05-18 12:00:00
| 3.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users