2 like 0 dislike
3.4k 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 | 3.4k 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:104.23.197.64
©2016-2026

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
| 3.6k 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
| 4.6k 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
| 3.7k 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
| 4.6k 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
| 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users