2 like 0 dislike
2.5k 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 | 2.5k 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:172.70.50.51
©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
| 2.7k 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
| 3.5k 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
| 2.9k 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
| 3.5k 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
| 3.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users