If I have a table In database which called occupations  columns are: workid, workname, salary and sector  workid is a primary key and increase  I insert to the table  1, fireman , 500, 2

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If I have a table In database which called occupations 

columns are: workid, workname, salary and sector 

workid is a primary key and increase 

I insert to the table 

1, fireman , 500, 2

2, officer, 800, 1

the code in html / php 

Will show a drop menu select the workname from the table in the database so the menu will show the fireman and the officer

As soon the user choose one of them(onchange) the salary will be written / displayed under . 

the question is how to write the salary out when I choose from the drop menu? 




thanks in advance 

Expert Solution
Step 1

//PHP Code

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
   die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT id, firstname, lastname FROM MyGuests";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
   // output data of each row
   while($row = $result->fetch_assoc()) {
       echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
   }
} else {
   echo "0 results";
}
$conn->close();
?>

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