2 like 0 dislike
1.6k 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 | 1.6k 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:172.69.17.99
©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
| 1.8k 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
| 2.3k 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
| 2.1k 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
| 2.4k 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
| 2.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users