2 like 0 dislike
2.7k 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 | 2.7k 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:172.70.80.5
©2016-2026

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
| 2.9k 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: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 3.8k 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
| 3k 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
| 3.7k 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
| 3.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users