This allows you to obtain the PhpMyAdmin Database Login Information for managing the database.
Sign in to the Development tab > Then select “Manage databases”

The following screen shows you the database (s) on your site,

along with “Login details”

Click Manage and then “connection details”  and you can copy the access details for the relevant database at the click of a button.

Please note that the login information button will appear only if WordPress is installed on the relevant database