2 like 0 dislike
531 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 | 531 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:172.69.7.82
©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
| 608 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
| 760 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
| 591 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
| 699 views
12,783 questions
183,443 answers
172,219 comments
4,824 users