Question

In: Computer Science

Create a web interface that has a backend database that takes a value of one table...

Create a web interface that has a backend database that takes a value of one table and displays it match from another table.

Create a web interface, that has a backend database, the database contains two tables, one table contains courses in one curriculum, while the other table in the database has corresponding classes from another curriculum. A user should be able to pick a course from the curriculum, and the matching course from the other table should populate on screen.

Windows operating system. HTML, SQL, PHP. WAMP

Expert Solution

Database (SQL table data) ---please run the below commands in your database

Database create command
CREATE DATABASE myDB

Tables create command
CREATE TABLE `mydb`.`courses` ( `id` INT(11) NOT NULL AUTO_INCREMENT , `course` VARCHAR(250) NOT NULL , `createdTime` TIMESTAMP NOT NULL , PRIMARY KEY (`id`)) ENGINE = InnoDB;
CREATE TABLE `mydb`.`classes` ( `id` INT(11) NOT NULL AUTO_INCREMENT , `classId` INT(11) NOT NULL , `name` VARCHAR(250) NOT NULL , `createdTime` TIMESTAMP NOT NULL , PRIMARY KEY (`id`)) ENGINE = InnoDB;

Sample coures data command
INSERT INTO `courses` (`id`, `course`, `createdTime`) VALUES (NULL, 'HTML', CURRENT_TIMESTAMP), (NULL, 'CSS', CURRENT_TIMESTAMP);
INSERT INTO `courses` (`id`, `course`, `createdTime`) VALUES (NULL, 'JAVASCRIPT', CURRENT_TIMESTAMP), (NULL, 'PHP', CURRENT_TIMESTAMP);

Sample classes data command
INSERT INTO `classes` (`id`, `classId`, `name`, `createdTime`) VALUES (NULL, '1', 'Introduction', CURRENT_TIMESTAMP), (NULL, '1', 'HTML Tags', CURRENT_TIMESTAMP);
INSERT INTO `classes` (`id`, `classId`, `name`, `createdTime`) VALUES (NULL, '1', 'Attributes', CURRENT_TIMESTAMP), (NULL, '1', 'HTML Forms', CURRENT_TIMESTAMP);
INSERT INTO `classes` (`id`, `classId`, `name`, `createdTime`) VALUES (NULL, '2', 'Basics', CURRENT_TIMESTAMP), (NULL, '2', 'Style Types', CURRENT_TIMESTAMP);

task.php

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "myDB";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
$coursesData='';
$classesData='';
//Get Courses
$sql = "SELECT id, course FROM courses";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
while($row = mysqli_fetch_assoc($result)) {
       $coursesData .= "<option value='".$row['id']."'>".$row['course']."</option>";
}
}
//Get Classes
$sql1 = "SELECT name FROM classes where classId=1";
$result1 = mysqli_query($conn, $sql1);
if (mysqli_num_rows($result1) > 0) {
   $index=1;
while($row1 = mysqli_fetch_assoc($result1)) {
       $classesData .= "<tr>
                           <td>".$index++."</td>
                           <td>".$row1['name']."</td>
                       </tr>";

}
}
else
{
   $classesData='NO data available';
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Courses</title>
<style>
table {
width:100%;
border-collapse: collapse;
}

table, th, td {
   margin-top:10px;
   padding:5px;
border: 1px solid black;
}
</style>
</head>
<body>
   <div>
       <label>Select Course</label>
       <select>
           <?php echo $coursesData ?>
       </select>
   </div>
   <div>
       <table>
           <thead>
               <tr>
                   <th>S.No</th>
                   <th>Classes</th>
               </tr>
           </thead>
           <tbody>
               <?php echo $classesData ?>
           </tbody>
       </table>
   </div>
</body>

</html>

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "myDB";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
$coursesData='';
$classesData='';
//Get Courses
$sql = "SELECT id, course FROM courses";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
while($row = mysqli_fetch_assoc($result)) {
       $coursesData .= "<option value='".$row['id']."'>".$row['course']."</option>";
}
}
//Get Classes
$sql1 = "SELECT name FROM classes where classId=1";
$result1 = mysqli_query($conn, $sql1);
if (mysqli_num_rows($result1) > 0) {
   $index=1;
while($row1 = mysqli_fetch_assoc($result1)) {
       $classesData .= "<tr>
                           <td>".$index++."</td>
                           <td>".$row1['name']."</td>
                       </tr>";

}
}
else
{
   $classesData='NO data available';
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Courses</title>
<style>
table {
width:100%;
border-collapse: collapse;
}

table, th, td {
   margin-top:10px;
   padding:5px;
border: 1px solid black;
}
</style>
</head>
<body>
   <div>
       <label>Select Course</label>
       <select>
           <?php echo $coursesData ?>
       </select>
   </div>
   <div>
       <table>
           <thead>
               <tr>
                   <th>S.No</th>
                   <th>Classes</th>
               </tr>
           </thead>
           <tbody>
               <?php echo $classesData ?>
           </tbody>
       </table>
   </div>
</body>

</html>

venereology answered 6 months ago

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