2 like 0 dislike
475 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 | 475 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:172.70.131.21
©2016-2024

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
| 548 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
| 642 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
| 512 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
| 631 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
| 570 views
12,783 questions
183,443 answers
172,219 comments
4,824 users