All PHP Tutorials
Ad Management
Counter
Email System
Forum and Guestbook
File Upload
Image Manipulation
Login / Members / Password
Pagination
Encode Script
Refresh / Redirection
Miscellaneous
All MySQL Tutorials
Create, Manage Database using phpMyAdmin
Connect to Database
Insert Data
Select Data
Edit Database
Update Database
Delete Database
Order Results
Forums
Home > MySQL Tutorials
Delete data From mysql
Deleting data From mysql
Delete unwanted data from your mysql database. 
 
Syntax

"DELETE FROM table_name WHERE column_name=' value' ";


Overview
In this tutorial create 2 files
1. delete.php
2. delete_ac.php

Step
1. Create table "test_mysql" in database "test".
2. Create file delete.php.
3. Create file delete_ac.php.

Set up database

CREATE TABLE `test_mysql` (
`id` int(4) NOT NULL auto_increment,
`name` varchar(65) NOT NULL default '',
`lastname` varchar(65) NOT NULL default '',
`email` varchar(65) NOT NULL default '',
PRIMARY KEY (`id`)
) TYPE=MyISAM AUTO_INCREMENT=7 ;

--
-- Dumping data for table `test_mysql`
--

INSERT INTO `test_mysql` VALUES (1, 'Billly', 'Blueton', 'bb5@phpeasystep.com');
INSERT INTO `test_mysql` VALUES (2, 'Jame', 'Campbell', 'jame@somewhere.com');
INSERT INTO `test_mysql` VALUES (3, 'Mark', 'Jackson', 'mark@phpeasystep.com');
INSERT INTO `test_mysql` VALUES (4, 'Linda', 'Travor', 'lin65@phpeasystep.com');
INSERT INTO `test_mysql` VALUES (5, 'Joey', 'Ford', 'fordloi@somewhere.com');
INSERT INTO `test_mysql` VALUES (6, 'Sidney', 'Gibson', 'gibson@phpeasystep.com');




Create file - delete.php
View In Browser / Diagram


############### Code

<?php

$host="localhost";
// Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name="test"; // Database name
$tbl_name="test_mysql"; // Table name

// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");

// select record from mysql
$sql="SELECT * FROM $tbl_name";
$result=mysql_query($sql);

?>
<table width="400" border="0" cellspacing="1" cellpadding="0">
<tr>
<td><table width="400%" border="0" cellpadding="3" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<td bgcolor="#FFFFFF">&nbsp;</td>
<td colspan="4" bgcolor="#FFFFFF"><strong>Delete data in mysql</strong> </td>
</tr>
<tr>
<td align="center" bgcolor="#FFFFFF"><strong>Id</strong></td>
<td align="center" bgcolor="#FFFFFF"><strong>Name</strong></td>
<td align="center" bgcolor="#FFFFFF"><strong>Lastname</strong></td>
<td align="center" bgcolor="#FFFFFF"><strong>Email</strong></td>
<td align="center" bgcolor="#FFFFFF">&nbsp;</td>
</tr>
<?php
while($rows=mysql_fetch_array($result)){
?>

<tr>
<td bgcolor="#FFFFFF"><? echo $rows['id']; ?></td>
<td bgcolor="#FFFFFF"><? echo $rows['name']; ?></td>
<td bgcolor="#FFFFFF"><? echo $rows['lastname']; ?></td>
<td bgcolor="#FFFFFF"><? echo $rows['email']; ?></td>
<td bgcolor="#FFFFFF"><a href="delete_ac.php?id=<? echo $rows['id']; ?>">delete</a></td>
</tr>
<?

// close while loop
}

// close connection;
mysql_close();

?>

</table></td>
</tr>
</table>


Create file delete_ac.php

############### Code

<?php

$host="localhost";
// Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name="test"; // Database name
$tbl_name="test_mysql"; // Table name

// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");

// get value of id that sent from address bar
$id=$_GET['id'];

// Delete data in mysql from row that has this id

$sql="DELETE FROM $tbl_name WHERE id='$id'";
$result=mysql_query($sql);

// if successfully deleted
if($result){
echo "Deleted Successfully";
echo "<BR>";
echo "<a href='delete.php'>Back to main page</a>";
}

else {
echo "ERROR";
}

// close connection
mysql_close();

?>

Random Tutorial
 
Encrypting Password using md5() function
Using md5(); function to make your login system more secure 
 
Form Validation Using Dreamweaver
In this tutorial shows you how to validate form using Macromedia Dreamweaver, it will show alert box when someone press submit button and forgot to fill your requied fields. 
Advertisement
 
   
Hosted by Hostgator
© PHPeasystep.com 2005-2008