2 like 0 dislike
3.3k 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 | 3.3k 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:104.23.243.109
©2016-2026

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
| 3.5k 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
| 4.5k 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
| 3.6k 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
| 4.5k 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
| 4.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users