2 like 0 dislike
1.5k 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 | 1.5k 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:172.69.17.61
©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
| 1.7k 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
| 2.2k 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
| 1.9k 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
| 2.2k 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
| 2.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users