2 like 0 dislike
2.1k 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 | 2.1k 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:172.70.80.171
©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
| 2.2k 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: 24997 - Available when: 2017-06-15 09:30:00 - Due to: 2017-06-15 12:00:00
| 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
| 2.6k 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
| 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
| 2.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users