import local drupal site with database already exist
You can use Backup &amp; Migrate Module for importing and exporting DB's.


  Backup/Restore multiple MySQL databases and code
  Backup of files
  directory is built into this version
  Add a note to backup files
  Smart delete options make it easier to manage backup files  Backup to
  FTP/S3/Email or NodeSquirrel.com  Drush integration  Multiple backup
  schedules  AES encryption for backups