2 like 0 dislike
526 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 | 526 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:172.70.126.9
©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
| 602 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
| 754 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
| 585 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
| 728 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
| 694 views
12,783 questions
183,443 answers
172,219 comments
4,824 users