2 like 0 dislike
493 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 | 493 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:172.70.179.53
©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
| 569 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
| 728 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
| 549 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
| 681 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
| 663 views
12,783 questions
183,443 answers
172,219 comments
4,824 users