2 like 0 dislike
2.2k 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 | 2.2k 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:172.71.195.10
©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
| 2.4k 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
| 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
| 2.6k 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
| 3k 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
| 2.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users