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Retrieve Data From MySQL Using PHP


For retrieve data from MySQL the SELECT statement is used. We can retrieve data from specific column or all column of a table.

To retrieve selected column data from database the SQL query is

SELECT column_name,column_name FROM table_name;

To retrieve all the column data from a table the SQL query is

SELECT * FROM table_name;

In the below example we retrieve the data from MySQL database.

In this example we used 2 file for retrieve data

database.php

<?php
$url='127.0.0.1:3306';
$username='root';
$password='';
$conn=mysqli_connect($url,$username,$password,"crud");
if(!$conn){
die('Could not Connect My Sql:' .mysql_error());
}
?>

retrieve.php

<?php
include_once 'database.php';
$result = mysqli_query($conn,"SELECT * FROM myusers");
?>
<!DOCTYPE html>
<html>
<head>
<title> Retrive data</title>
</head>
<body>
<table>
<tr>
<td>First Name</td>
<td>Last Name</td>
<td>City</td>
<td>Email id</td>
</tr>
<?php
$i=0;
while($row = mysqli_fetch_array($result)) {
if($i%2==0)
$classname="even";
else
$classname="odd";
?>
<tr class="<?php if(isset($classname)) echo $classname;?>">
<td><?php echo $row["first_name"]; ?></td>
<td><?php echo $row["last_name"]; ?></td>
<td><?php echo $row["city_name"]; ?></td>
<td><?php echo $row["email"]; ?></td>
</tr>
<?php
$i++;
}
?>
</table>
</body>
</html>

style.css

table {
font-family: arial, sans-serif;
border-collapse: collapse;
width: 100%;
}
td, th {
border: 1px solid #dddddd;
text-align: left;
padding: 8px;
}
tr:nth-child(even) {
background-color: white;
}






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