2 like 0 dislike
2.6k 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 | 2.6k 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:172.69.130.92
©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
| 2.8k 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
| 3.6k 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
| 3k 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
| 3.6k 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
| 3.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users