2 like 0 dislike
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 | 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:172.69.130.53
©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
| 2.2k 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
| 2.9k 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
| 2.5k 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: 24994 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 2.9k 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
| 2.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users