Backing up your Drupal site is now very easy, you just need to download and install a module called Backup & Migrate. To install the module click on the Administer » Modules check the Backup and Migrate module and enable it and save the settings.
Then navigate to the Administer » Content Management » Backup and Migrate then do the following settings.
· Exclude the following tables altogether: select the table which you dont want to take backup.
· Give the backup file name.
· There are also options to compress the file before download, or add a datestamp.
· And then click Backup Database.
Alternately you can take backups using PhpMyAdmin.
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