                self.connection.query(util.format(queries.SWITCH_DB, self.dbOriginal), function() {
                  self.connection.query(util.format(queries.DROP_DATABASE, self.dbTemp),function(){
                    if (self.interactive === true) {
                      console.log('Temporary database ' + self.dbTemp + ' was removed.');
                    }
                    return callback();
                  });
                });