I realize that there is one similar to my question but it is a few years old.
my connection address
jdbc:mysql://mycoolwebsite.com:3306/wrchtnoy_test
where wrchtnoy_test is the db name
I have tried the hosting credentials which according to the knowledge base should work
have also tried the db username and password
the db and username should have
wrchtnoy_
as a prefix. thanks.