ElggInstaller::installDatabase PHP Method

    protected function installDatabase()
    {
        try {
            _elgg_services()->db->runSqlScript(\Elgg\Application::elggDir()->getPath("/engine/schema/mysql.sql"));
        } catch (Exception $e) {
            $msg = $e->getMessage();
            if (strpos($msg, 'already exists')) {
                $msg = _elgg_services()->translator->translate('install:error:tables_exist');
            }
            register_error($msg);
            return FALSE;
        }
        return TRUE;
    }