public function getTable($name)
    {
        if ($name != strtolower($name)) {
            throw new \DomainException('Table name must be lowercase: ' . $name);
        }

        if (!isset($this->_tables[$name])) {
            $class = 'Nada\Table\\' . $this->getDbmsSuffix();
            $this->_tables[$name] = new $class($this, $name);
        }
        return $this->_tables[$name];
    }