2 like 0 dislike
1.5k 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 | 1.5k 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:172.70.100.132
©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
| 1.7k 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
| 2.2k 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
| 2k 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
| 2.2k 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
| 2.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users