2 like 0 dislike
2.9k 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 | 2.9k 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:104.23.197.95
©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
| 3.1k 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
| 4k 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
| 3.2k 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
| 3.9k 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
| 3.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users