2 like 0 dislike
2.5k 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 | 2.5k 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:172.69.7.60
©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
| 2.7k 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: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 3.5k 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
| 2.9k 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
| 3.5k 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
| 3.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users