2 like 0 dislike
908 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 | 908 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:172.71.255.141
©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
| 1k 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
| 1.3k 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
| 1.1k 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
| 1.3k 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
| 1.2k views
12,783 questions
183,443 answers
172,219 comments
4,824 users