How to add prefix slug in static wordpress page?

The easiest way is to create a page with slug tender and create another page with slug trade and set tender as the parent page. Have a look at this article.

And the complicated way is to add a new rewrite rule.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)