2 like 0 dislike
486 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 | 486 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:172.70.130.194
©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
| 563 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
| 680 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
| 539 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
| 663 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
| 600 views
12,783 questions
183,443 answers
172,219 comments
4,824 users