2 like 0 dislike
3.4k 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 | 3.4k 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:104.23.197.94
©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
| 3.5k 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: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 4.6k 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
| 3.7k 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: 24994 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 4.5k 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
| 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users