sudo drush site-install standard -y --db-prefix='alaska_' --db-su='postgres'
--db-url=pgsql://drupaldbuser:password@localhost:5432/drupal
--account-name='admin' --account-pass='admin' --site-name='alaska'
--sites-subdir='alaska.jobcorps.gov'

install_settings_form.pgsql_prefix='alaska_'