2 like 0 dislike
519 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 | 519 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:172.70.126.28
©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
| 600 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
| 751 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
| 584 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
| 706 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
| 692 views
12,783 questions
183,443 answers
172,219 comments
4,824 users