2 like 0 dislike
1k 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 | 1k 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:172.71.254.89
©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
| 1.2k 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: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 1.5k 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
| 1.4k 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: 24994 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 1.5k 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
| 1.4k views
12,783 questions
183,443 answers
172,219 comments
4,824 users