Skip to main content

Backup and Restore Mysql Database




1.mysqldump allows you to backup a single database and multiple databases as well.
2.Now, assume that you want to take backup of database named source.

Backup Single Database:

mysqldump source > destination.sql

Backup Multiple Databases:

mysqldump --databases source-one source-two source-three > destination3.sql

3.Restore MySQL Database

mysqldump source < destination.sql

source is the name of database you want to restore and destination.sql is the backup file to be restored.

Comments

Popular posts from this blog

Send Email(with subject,body,attachment) using SSMTP through Terminal in linux?

1.Install ssmtp as              $ sudo apt-get update && sudo apt-get install ssmtp 2.Configure smtp file by editing the following file as, $ sudo gedit /etc/ssmtp/ssmtp.conf Update file with the following: AuthUser=Sendermail@gmail.com AuthPass=SenderPasswordforGMAIL FromLineOverride=YES mailhub=smtp.gmail.com:587 UseSTARTTLS=YES Now ssmtp.conf file should look like as the following one, AuthUser=Sendermail@gmail.com AuthPass=SenderPasswordforGMAIL # # Config file for sSMTP sendmail # # The person who gets all mail for userids < 1000 # Make this empty to disable rewriting. root=postmaster # The place where the mail goes. The actual machine name is required no # MX records are consulted. Commonly mailhosts are named mail.domain.com mailhub=smtp.gmail.com:587 # Where will the mail seem to come from? #rewriteDomain= # The full hostname hostname=tele-desktop118 # Are users allowed to set their own From: address? # Y

Backup (or) Download MYSQL Database as a zip file Using PHP

NOTE:Please change below credentials  with respect to your Database and Run the file. <?php define ( "DB_USER" ,  'DatabaseUSERNAME' ); define ( "DB_PASSWORD" ,  'DatabasePASSWORD' ); define ( "DB_NAME" ,  'DatabaseNAME' ); define ( "DB_HOST" ,  'localhost' ); define ( "BACKUP_DIR" ,  'myphp-backup-files' );  // Comment this line to use same script's directory ('.') define ( "TABLES" ,  '*' );  // Full backup //define("TABLES", 'table1, table2, table3'); // Partial backup of required tables define ( "CHARSET" ,  'utf8' ); define ( "GZIP_BACKUP_FILE" ,  true );   // Set to false if you want plain SQL backup files (not gzipped) class  Backup_Database {     var  $host ;     var  $username ;     var  $passwd ;     var  $dbName ;     var  $charset ;     var  $conn ;     var  $backupDir ;     var  $backupFile ;     var  $

Upload and Retrieve an image from database

/*Create table in sql:*/ CREATE TABLE `images` ( `id` int(11) NOT NULL AUTO_INCREMENT, `image` longblob NOT NULL, `created` datetime NOT NULL, PRIMARY KEY (`id`) ); /*Uploading an image to Database*/ <?php if ( isset ( $_POST [ "submit" ])){ $check = getimagesize ( $_FILES [ "image" ][ "tmp_name" ]); if ( $check !== false ){ $image = $_FILES [ 'image' ][ 'tmp_name' ]; $imgContent = addslashes ( file_get_contents ( $image )); $dbHost = 'localhost' ; $dbUsername = 'root' ; $dbPassword = 'root' ; $dbName = 'sample' ; //Create connection and select DB $db = new mysqli( $dbHost , $dbUsername , $dbPassword , $dbName ); // Check connection if ( $db -> connect_error ){ die ( "Connection failed: " . $db -> connect_error ); } $dateTime = date ( "Y-m-d H:i:s" )