2 like 0 dislike
3.3k 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 | 3.3k 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:104.23.243.24
©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
| 3.5k 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
| 4.5k 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
| 3.6k 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: 24994 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 4.5k 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
| 4.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users